64622625

素因数分解:

$3^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 108051840

約数和(自身を除く): 43429215

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 389, 443, 1167, 1329, 1945, 2215, 5835, 6645, 9725, 11075, 29175, 33225, 48625, 55375, 145875, 166125, 172327, 516981, 861635, 2584905, 4308175, 12924525, 21540875, 64622625]

約数ペア:

[(1, 64622625), (3, 21540875), (5, 12924525), (15, 4308175), (25, 2584905), (75, 861635), (125, 516981), (375, 172327), (389, 166125), (443, 145875), (1167, 55375), (1329, 48625), (1945, 33225), (2215, 29175), (5835, 11075), (6645, 9725)]