247375857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 361117440

約数和(自身を除く): 113741583

約数列:

[1, 3, 17, 51, 53, 71, 159, 213, 901, 1207, 1289, 2703, 3621, 3763, 3867, 11289, 21913, 63971, 65739, 68317, 91519, 191913, 204951, 274557, 1161389, 1555823, 3484167, 4667469, 4850507, 14551521, 82458619, 247375857]

約数ペア:

[(1, 247375857), (3, 82458619), (17, 14551521), (51, 4850507), (53, 4667469), (71, 3484167), (159, 1555823), (213, 1161389), (901, 274557), (1207, 204951), (1289, 191913), (2703, 91519), (3621, 68317), (3763, 65739), (3867, 63971), (11289, 21913)]