87820425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 202879872

約数和(自身を除く): 115059447

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 37, 45, 55, 63, 75, 77, 99, 105, 111, 137, 165, 175, 185, 225, 231, 259, 275, 315, 333, 385, 407, 411, 495, 525, 555, 685, 693, 777, 825, 925, 959, 1155, 1221, 1233, 1295, 1507, 1575, 1665, 1925, 2035, 2055, 2331, 2475, 2775, 2849, 2877, 3425, 3465, 3663, 3885, 4521, 4795, 5069, 5775, 6105, 6165, 6475, 7535, 8325, 8547, 8631, 10175, 10275, 10549, 11655, 13563, 14245, 14385, 15207, 17325, 18315, 19425, 22605, 23975, 25345, 25641, 30525, 30825, 31647, 35483, 37675, 42735, 43155, 45621, 52745, 55759, 58275, 67815, 71225, 71925, 76035, 91575, 94941, 106449, 113025, 126725, 128205, 158235, 167277, 177415, 213675, 215775, 228105, 263725, 278795, 319347, 339075, 380175, 390313, 474705, 501831, 532245, 641025, 791175, 836385, 887075, 1140525, 1170939, 1393975, 1596735, 1951565, 2373525, 2509155, 2661225, 3512817, 4181925, 5854695, 7983675, 9757825, 12545775, 17564085, 29273475, 87820425]

約数ペア:

[(1, 87820425), (3, 29273475), (5, 17564085), (7, 12545775), (9, 9757825), (11, 7983675), (15, 5854695), (21, 4181925), (25, 3512817), (33, 2661225), (35, 2509155), (37, 2373525), (45, 1951565), (55, 1596735), (63, 1393975), (75, 1170939), (77, 1140525), (99, 887075), (105, 836385), (111, 791175), (137, 641025), (165, 532245), (175, 501831), (185, 474705), (225, 390313), (231, 380175), (259, 339075), (275, 319347), (315, 278795), (333, 263725), (385, 228105), (407, 215775), (411, 213675), (495, 177415), (525, 167277), (555, 158235), (685, 128205), (693, 126725), (777, 113025), (825, 106449), (925, 94941), (959, 91575), (1155, 76035), (1221, 71925), (1233, 71225), (1295, 67815), (1507, 58275), (1575, 55759), (1665, 52745), (1925, 45621), (2035, 43155), (2055, 42735), (2331, 37675), (2475, 35483), (2775, 31647), (2849, 30825), (2877, 30525), (3425, 25641), (3465, 25345), (3663, 23975), (3885, 22605), (4521, 19425), (4795, 18315), (5069, 17325), (5775, 15207), (6105, 14385), (6165, 14245), (6475, 13563), (7535, 11655), (8325, 10549), (8547, 10275), (8631, 10175)]