30719913

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3943}}^1$

素因数の和:4013

約数の個数: 24

約数和(自身を含む): 48558528

約数和(自身を除く): 17838615

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 3943, 7791, 11829, 27601, 82803, 193207, 208979, 579621, 626937, 1462853, 4388559, 10239971, 30719913]

約数ペア:

[(1, 30719913), (3, 10239971), (7, 4388559), (21, 1462853), (49, 626937), (53, 579621), (147, 208979), (159, 193207), (371, 82803), (1113, 27601), (2597, 11829), (3943, 7791)]