68995575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 137323056

約数和(自身を除く): 68327481

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 457, 495, 549, 671, 825, 915, 1371, 1525, 2013, 2285, 2475, 2745, 3355, 4113, 4575, 5027, 6039, 6855, 10065, 11425, 13725, 15081, 16775, 20565, 25135, 27877, 30195, 34275, 45243, 50325, 75405, 83631, 102825, 125675, 139385, 150975, 226215, 250893, 306647, 377025, 418155, 696925, 919941, 1131075, 1254465, 1533235, 2090775, 2759823, 4599705, 6272325, 7666175, 13799115, 22998525, 68995575]

約数ペア:

[(1, 68995575), (3, 22998525), (5, 13799115), (9, 7666175), (11, 6272325), (15, 4599705), (25, 2759823), (33, 2090775), (45, 1533235), (55, 1254465), (61, 1131075), (75, 919941), (99, 696925), (165, 418155), (183, 377025), (225, 306647), (275, 250893), (305, 226215), (457, 150975), (495, 139385), (549, 125675), (671, 102825), (825, 83631), (915, 75405), (1371, 50325), (1525, 45243), (2013, 34275), (2285, 30195), (2475, 27877), (2745, 25135), (3355, 20565), (4113, 16775), (4575, 15081), (5027, 13725), (6039, 11425), (6855, 10065)]