718917363

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{239879}}^1$

素因数の和:239928

約数の個数: 20

約数和(自身を含む): 1102968240

約数和(自身を除く): 384050877

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 239879, 719637, 2158911, 6476733, 8875523, 19430199, 26626569, 79879707, 239639121, 718917363]

約数ペア:

[(1, 718917363), (3, 239639121), (9, 79879707), (27, 26626569), (37, 19430199), (81, 8875523), (111, 6476733), (333, 2158911), (999, 719637), (2997, 239879)]