71720607

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{64439}}^1$

素因数の和:64502

約数の個数: 16

約数和(自身を含む): 111352320

約数和(自身を除く): 39631713

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 64439, 193317, 451073, 1353219, 3415267, 10245801, 23906869, 71720607]

約数ペア:

[(1, 71720607), (3, 23906869), (7, 10245801), (21, 3415267), (53, 1353219), (159, 451073), (371, 193317), (1113, 64439)]