68564475

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{691}}^1$

素因数の和:727

約数の個数: 90

約数和(自身を含む): 147954444

約数和(自身を除く): 79389969

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 245, 315, 405, 441, 525, 567, 675, 691, 735, 945, 1225, 1323, 1575, 2025, 2073, 2205, 2835, 3455, 3675, 3969, 4725, 4837, 6219, 6615, 10365, 11025, 14175, 14511, 17275, 18657, 19845, 24185, 31095, 33075, 33859, 43533, 51825, 55971, 72555, 93285, 99225, 101577, 120925, 130599, 155475, 169295, 217665, 279855, 304731, 362775, 391797, 466425, 507885, 652995, 846475, 914193, 1088325, 1399275, 1523655, 1958985, 2539425, 2742579, 3264975, 4570965, 7618275, 9794925, 13712895, 22854825, 68564475]

約数ペア:

[(1, 68564475), (3, 22854825), (5, 13712895), (7, 9794925), (9, 7618275), (15, 4570965), (21, 3264975), (25, 2742579), (27, 2539425), (35, 1958985), (45, 1523655), (49, 1399275), (63, 1088325), (75, 914193), (81, 846475), (105, 652995), (135, 507885), (147, 466425), (175, 391797), (189, 362775), (225, 304731), (245, 279855), (315, 217665), (405, 169295), (441, 155475), (525, 130599), (567, 120925), (675, 101577), (691, 99225), (735, 93285), (945, 72555), (1225, 55971), (1323, 51825), (1575, 43533), (2025, 33859), (2073, 33075), (2205, 31095), (2835, 24185), (3455, 19845), (3675, 18657), (3969, 17275), (4725, 14511), (4837, 14175), (6219, 11025), (6615, 10365)]