57757815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 107902080

約数和(自身を除く): 50144265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1571, 1935, 2451, 4085, 4713, 7353, 7855, 12255, 14139, 23565, 29849, 36765, 67553, 70695, 89547, 149245, 202659, 268641, 337765, 447735, 607977, 1013295, 1283507, 1343205, 3039885, 3850521, 6417535, 11551563, 19252605, 57757815]

約数ペア:

[(1, 57757815), (3, 19252605), (5, 11551563), (9, 6417535), (15, 3850521), (19, 3039885), (43, 1343205), (45, 1283507), (57, 1013295), (95, 607977), (129, 447735), (171, 337765), (215, 268641), (285, 202659), (387, 149245), (645, 89547), (817, 70695), (855, 67553), (1571, 36765), (1935, 29849), (2451, 23565), (4085, 14139), (4713, 12255), (7353, 7855)]