71136675

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 133125408

約数和(自身を除く): 61988733

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 71, 73, 75, 183, 213, 219, 225, 305, 355, 365, 549, 639, 657, 915, 1065, 1095, 1525, 1775, 1825, 2745, 3195, 3285, 4331, 4453, 4575, 5183, 5325, 5475, 12993, 13359, 13725, 15549, 15975, 16425, 21655, 22265, 25915, 38979, 40077, 46647, 64965, 66795, 77745, 108275, 111325, 129575, 194895, 200385, 233235, 316163, 324825, 333975, 388725, 948489, 974475, 1001925, 1166175, 1580815, 2845467, 4742445, 7904075, 14227335, 23712225, 71136675]

約数ペア:

[(1, 71136675), (3, 23712225), (5, 14227335), (9, 7904075), (15, 4742445), (25, 2845467), (45, 1580815), (61, 1166175), (71, 1001925), (73, 974475), (75, 948489), (183, 388725), (213, 333975), (219, 324825), (225, 316163), (305, 233235), (355, 200385), (365, 194895), (549, 129575), (639, 111325), (657, 108275), (915, 77745), (1065, 66795), (1095, 64965), (1525, 46647), (1775, 40077), (1825, 38979), (2745, 25915), (3195, 22265), (3285, 21655), (4331, 16425), (4453, 15975), (4575, 15549), (5183, 13725), (5325, 13359), (5475, 12993)]