25128675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 54027792

約数和(自身を除く): 28899117

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 71, 75, 99, 117, 121, 143, 165, 195, 213, 225, 275, 325, 355, 363, 429, 495, 585, 605, 639, 715, 781, 825, 923, 975, 1065, 1089, 1287, 1573, 1775, 1815, 2145, 2343, 2475, 2769, 2925, 3025, 3195, 3575, 3905, 4615, 4719, 5325, 5445, 6435, 7029, 7865, 8307, 8591, 9075, 10153, 10725, 11715, 13845, 14157, 15975, 19525, 23075, 23595, 25773, 27225, 30459, 32175, 35145, 39325, 41535, 42955, 50765, 58575, 69225, 70785, 77319, 91377, 111683, 117975, 128865, 152295, 175725, 207675, 214775, 253825, 335049, 353925, 386595, 456885, 558415, 644325, 761475, 1005147, 1675245, 1932975, 2284425, 2792075, 5025735, 8376225, 25128675]

約数ペア:

[(1, 25128675), (3, 8376225), (5, 5025735), (9, 2792075), (11, 2284425), (13, 1932975), (15, 1675245), (25, 1005147), (33, 761475), (39, 644325), (45, 558415), (55, 456885), (65, 386595), (71, 353925), (75, 335049), (99, 253825), (117, 214775), (121, 207675), (143, 175725), (165, 152295), (195, 128865), (213, 117975), (225, 111683), (275, 91377), (325, 77319), (355, 70785), (363, 69225), (429, 58575), (495, 50765), (585, 42955), (605, 41535), (639, 39325), (715, 35145), (781, 32175), (825, 30459), (923, 27225), (975, 25773), (1065, 23595), (1089, 23075), (1287, 19525), (1573, 15975), (1775, 14157), (1815, 13845), (2145, 11715), (2343, 10725), (2475, 10153), (2769, 9075), (2925, 8591), (3025, 8307), (3195, 7865), (3575, 7029), (3905, 6435), (4615, 5445), (4719, 5325)]