28218369525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3581}}^1\times {\mathrm{3623}}^1$

素因数の和:7246

約数の個数: 48

約数和(自身を含む): 48289944960

約数和(自身を除く): 20071575435

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 3581, 3623, 10743, 10869, 17905, 18115, 53715, 54345, 89525, 90575, 103849, 105067, 268575, 271725, 311547, 315201, 519245, 525335, 1557735, 1576005, 2596225, 2626675, 7788675, 7880025, 12973963, 38921889, 64869815, 194609445, 324349075, 376244927, 973047225, 1128734781, 1881224635, 5643673905, 9406123175, 28218369525]

約数ペア:

[(1, 28218369525), (3, 9406123175), (5, 5643673905), (15, 1881224635), (25, 1128734781), (29, 973047225), (75, 376244927), (87, 324349075), (145, 194609445), (435, 64869815), (725, 38921889), (2175, 12973963), (3581, 7880025), (3623, 7788675), (10743, 2626675), (10869, 2596225), (17905, 1576005), (18115, 1557735), (53715, 525335), (54345, 519245), (89525, 315201), (90575, 311547), (103849, 271725), (105067, 268575)]