71831109

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{4483}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 112458720

約数和(自身を除く): 40627611

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 4483, 5341, 13449, 16023, 31381, 94143, 219667, 488647, 659001, 1465941, 3420529, 10261587, 23943703, 71831109]

約数ペア:

[(1, 71831109), (3, 23943703), (7, 10261587), (21, 3420529), (49, 1465941), (109, 659001), (147, 488647), (327, 219667), (763, 94143), (2289, 31381), (4483, 16023), (5341, 13449)]