159765975

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 296311392

約数和(自身を除く): 136545417

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 73, 75, 137, 213, 219, 225, 355, 365, 411, 639, 657, 685, 1065, 1095, 1233, 1775, 1825, 2055, 3195, 3285, 3425, 5183, 5325, 5475, 6165, 9727, 10001, 10275, 15549, 15975, 16425, 25915, 29181, 30003, 30825, 46647, 48635, 50005, 77745, 87543, 90009, 129575, 145905, 150015, 233235, 243175, 250025, 388725, 437715, 450045, 710071, 729525, 750075, 1166175, 2130213, 2188575, 2250225, 3550355, 6390639, 10651065, 17751775, 31953195, 53255325, 159765975]

約数ペア:

[(1, 159765975), (3, 53255325), (5, 31953195), (9, 17751775), (15, 10651065), (25, 6390639), (45, 3550355), (71, 2250225), (73, 2188575), (75, 2130213), (137, 1166175), (213, 750075), (219, 729525), (225, 710071), (355, 450045), (365, 437715), (411, 388725), (639, 250025), (657, 243175), (685, 233235), (1065, 150015), (1095, 145905), (1233, 129575), (1775, 90009), (1825, 87543), (2055, 77745), (3195, 50005), (3285, 48635), (3425, 46647), (5183, 30825), (5325, 30003), (5475, 29181), (6165, 25915), (9727, 16425), (10001, 15975), (10275, 15549)]