81907287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3253}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 137448960

約数和(自身を除く): 55541673

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 763, 1199, 2289, 3253, 3597, 8393, 9759, 22771, 25179, 35783, 68313, 107349, 250481, 354577, 751443, 1063731, 2482039, 3900347, 7446117, 11701041, 27302429, 81907287]

約数ペア:

[(1, 81907287), (3, 27302429), (7, 11701041), (11, 7446117), (21, 3900347), (33, 2482039), (77, 1063731), (109, 751443), (231, 354577), (327, 250481), (763, 107349), (1199, 68313), (2289, 35783), (3253, 25179), (3597, 22771), (8393, 9759)]