2564379

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 3926832

約数和(自身を除く): 1362453

約数列:

[1, 3, 9, 27, 61, 81, 173, 183, 243, 519, 549, 1557, 1647, 4671, 4941, 10553, 14013, 14823, 31659, 42039, 94977, 284931, 854793, 2564379]

約数ペア:

[(1, 2564379), (3, 854793), (9, 284931), (27, 94977), (61, 42039), (81, 31659), (173, 14823), (183, 14013), (243, 10553), (519, 4941), (549, 4671), (1557, 1647)]