72489767

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 88843392

約数和(自身を除く): 16353625

約数列:

[1, 7, 23, 49, 131, 161, 491, 917, 1127, 3013, 3437, 6419, 11293, 21091, 24059, 64321, 79051, 147637, 450247, 553357, 1479383, 3151729, 10355681, 72489767]

約数ペア:

[(1, 72489767), (7, 10355681), (23, 3151729), (49, 1479383), (131, 553357), (161, 450247), (491, 147637), (917, 79051), (1127, 64321), (3013, 24059), (3437, 21091), (6419, 11293)]