621990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{6911}}^1$

素因数の和:6924

約数の個数: 24

約数和(自身を含む): 1617408

約数和(自身を除く): 995418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 6911, 13822, 20733, 34555, 41466, 62199, 69110, 103665, 124398, 207330, 310995, 621990]

約数ペア:

[(1, 621990), (2, 310995), (3, 207330), (5, 124398), (6, 103665), (9, 69110), (10, 62199), (15, 41466), (18, 34555), (30, 20733), (45, 13822), (90, 6911)]