201215745

素因数分解:

$3^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 361722240

約数和(自身を除く): 160506495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 691, 719, 2073, 2157, 3455, 3595, 6219, 6471, 10365, 10785, 18657, 19413, 31095, 32355, 55971, 58239, 93285, 97065, 279855, 291195, 496829, 1490487, 2484145, 4471461, 7452435, 13414383, 22357305, 40243149, 67071915, 201215745]

約数ペア:

[(1, 201215745), (3, 67071915), (5, 40243149), (9, 22357305), (15, 13414383), (27, 7452435), (45, 4471461), (81, 2484145), (135, 1490487), (405, 496829), (691, 291195), (719, 279855), (2073, 97065), (2157, 93285), (3455, 58239), (3595, 55971), (6219, 32355), (6471, 31095), (10365, 19413), (10785, 18657)]