8163225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 17177472

約数和(自身を除く): 9014247

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 73, 75, 105, 175, 213, 219, 225, 315, 355, 365, 497, 511, 525, 639, 657, 1065, 1095, 1491, 1533, 1575, 1775, 1825, 2485, 2555, 3195, 3285, 4473, 4599, 5183, 5325, 5475, 7455, 7665, 12425, 12775, 15549, 15975, 16425, 22365, 22995, 25915, 36281, 37275, 38325, 46647, 77745, 108843, 111825, 114975, 129575, 181405, 233235, 326529, 388725, 544215, 907025, 1166175, 1632645, 2721075, 8163225]

約数ペア:

[(1, 8163225), (3, 2721075), (5, 1632645), (7, 1166175), (9, 907025), (15, 544215), (21, 388725), (25, 326529), (35, 233235), (45, 181405), (63, 129575), (71, 114975), (73, 111825), (75, 108843), (105, 77745), (175, 46647), (213, 38325), (219, 37275), (225, 36281), (315, 25915), (355, 22995), (365, 22365), (497, 16425), (511, 15975), (525, 15549), (639, 12775), (657, 12425), (1065, 7665), (1095, 7455), (1491, 5475), (1533, 5325), (1575, 5183), (1775, 4599), (1825, 4473), (2485, 3285), (2555, 3195)]