247140291

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{13463}}^1$

素因数の和:13706

約数の個数: 16

約数和(自身を含む): 342524160

約数和(自身を除く): 95383869

約数列:

[1, 3, 29, 87, 211, 633, 6119, 13463, 18357, 40389, 390427, 1171281, 2840693, 8522079, 82380097, 247140291]

約数ペア:

[(1, 247140291), (3, 82380097), (29, 8522079), (87, 2840693), (211, 1171281), (633, 390427), (6119, 40389), (13463, 18357)]