2490813

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 3949400

約数和(自身を除く): 1458587

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 349, 549, 793, 1047, 2379, 3141, 4537, 7137, 13611, 21289, 40833, 63867, 191601, 276757, 830271, 2490813]

約数ペア:

[(1, 2490813), (3, 830271), (9, 276757), (13, 191601), (39, 63867), (61, 40833), (117, 21289), (183, 13611), (349, 7137), (549, 4537), (793, 3141), (1047, 2379)]