28698075

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 63399960

約数和(自身を除く): 34701885

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 49, 57, 63, 75, 95, 105, 133, 137, 147, 171, 175, 225, 245, 285, 315, 399, 411, 441, 475, 525, 665, 685, 735, 855, 931, 959, 1197, 1225, 1233, 1425, 1575, 1995, 2055, 2205, 2603, 2793, 2877, 3325, 3425, 3675, 4275, 4655, 4795, 5985, 6165, 6713, 7809, 8379, 8631, 9975, 10275, 11025, 13015, 13965, 14385, 18221, 20139, 23275, 23427, 23975, 29925, 30825, 33565, 39045, 41895, 43155, 54663, 60417, 65075, 69825, 71925, 91105, 100695, 117135, 127547, 163989, 167825, 195225, 209475, 215775, 273315, 302085, 382641, 455525, 503475, 585675, 637735, 819945, 1147923, 1366575, 1510425, 1913205, 3188675, 4099725, 5739615, 9566025, 28698075]

約数ペア:

[(1, 28698075), (3, 9566025), (5, 5739615), (7, 4099725), (9, 3188675), (15, 1913205), (19, 1510425), (21, 1366575), (25, 1147923), (35, 819945), (45, 637735), (49, 585675), (57, 503475), (63, 455525), (75, 382641), (95, 302085), (105, 273315), (133, 215775), (137, 209475), (147, 195225), (171, 167825), (175, 163989), (225, 127547), (245, 117135), (285, 100695), (315, 91105), (399, 71925), (411, 69825), (441, 65075), (475, 60417), (525, 54663), (665, 43155), (685, 41895), (735, 39045), (855, 33565), (931, 30825), (959, 29925), (1197, 23975), (1225, 23427), (1233, 23275), (1425, 20139), (1575, 18221), (1995, 14385), (2055, 13965), (2205, 13015), (2603, 11025), (2793, 10275), (2877, 9975), (3325, 8631), (3425, 8379), (3675, 7809), (4275, 6713), (4655, 6165), (4795, 5985)]