76721175

素因数分解:

$3^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 145292784

約数和(自身を除く): 68571609

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 173, 219, 225, 243, 365, 405, 519, 657, 675, 865, 1095, 1215, 1557, 1825, 1971, 2025, 2595, 3285, 4325, 4671, 5475, 5913, 6075, 7785, 9855, 12629, 12975, 14013, 16425, 17739, 23355, 29565, 37887, 38925, 42039, 49275, 63145, 70065, 88695, 113661, 116775, 147825, 189435, 210195, 315725, 340983, 350325, 443475, 568305, 947175, 1022949, 1050975, 1704915, 2841525, 3068847, 5114745, 8524575, 15344235, 25573725, 76721175]

約数ペア:

[(1, 76721175), (3, 25573725), (5, 15344235), (9, 8524575), (15, 5114745), (25, 3068847), (27, 2841525), (45, 1704915), (73, 1050975), (75, 1022949), (81, 947175), (135, 568305), (173, 443475), (219, 350325), (225, 340983), (243, 315725), (365, 210195), (405, 189435), (519, 147825), (657, 116775), (675, 113661), (865, 88695), (1095, 70065), (1215, 63145), (1557, 49275), (1825, 42039), (1971, 38925), (2025, 37887), (2595, 29565), (3285, 23355), (4325, 17739), (4671, 16425), (5475, 14013), (5913, 12975), (6075, 12629), (7785, 9855)]