30572721

素因数分解:

$3^4\times {\mathrm{587}}^1\times {\mathrm{643}}^1$

素因数の和:1242

約数の個数: 20

約数和(自身を含む): 45819312

約数和(自身を除く): 15246591

約数列:

[1, 3, 9, 27, 81, 587, 643, 1761, 1929, 5283, 5787, 15849, 17361, 47547, 52083, 377441, 1132323, 3396969, 10190907, 30572721]

約数ペア:

[(1, 30572721), (3, 10190907), (9, 3396969), (27, 1132323), (81, 377441), (587, 52083), (643, 47547), (1761, 17361), (1929, 15849), (5283, 5787)]