1399275

素因数分解:

$3^4\times 5^2\times {\mathrm{691}}^1$

素因数の和:713

約数の個数: 30

約数和(自身を含む): 2595692

約数和(自身を除く): 1196417

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 691, 2025, 2073, 3455, 6219, 10365, 17275, 18657, 31095, 51825, 55971, 93285, 155475, 279855, 466425, 1399275]

約数ペア:

[(1, 1399275), (3, 466425), (5, 279855), (9, 155475), (15, 93285), (25, 55971), (27, 51825), (45, 31095), (75, 18657), (81, 17275), (135, 10365), (225, 6219), (405, 3455), (675, 2073), (691, 2025)]