81183921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297377}}^1$

素因数の和:297400

約数の個数: 16

約数和(自身を含む): 133225344

約数和(自身を除く): 52041423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297377, 892131, 2081639, 3865901, 6244917, 11597703, 27061307, 81183921]

約数ペア:

[(1, 81183921), (3, 27061307), (7, 11597703), (13, 6244917), (21, 3865901), (39, 2081639), (91, 892131), (273, 297377)]