2191815

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 3875040

約数和(自身を除く): 1683225

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 919, 2385, 2757, 4595, 8271, 13785, 41355, 48707, 146121, 243535, 438363, 730605, 2191815]

約数ペア:

[(1, 2191815), (3, 730605), (5, 438363), (9, 243535), (15, 146121), (45, 48707), (53, 41355), (159, 13785), (265, 8271), (477, 4595), (795, 2757), (919, 2385)]