1221671809

素因数分解:

${\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 1269930816

約数和(自身を除く): 48259007

約数列:

[1, 37, 131, 307, 821, 4847, 11359, 30377, 40217, 107551, 252047, 1488029, 3979387, 9325739, 33018157, 1221671809]

約数ペア:

[(1, 1221671809), (37, 33018157), (131, 9325739), (307, 3979387), (821, 1488029), (4847, 252047), (11359, 107551), (30377, 40217)]