30721589871

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{79039}}^1$

素因数の和:79355

約数の個数: 32

約数和(自身を含む): 47590932480

約数和(自身を除く): 16869342609

約数列:

[1, 3, 7, 21, 83, 223, 249, 581, 669, 1561, 1743, 4683, 18509, 55527, 79039, 129563, 237117, 388689, 553273, 1659819, 6560237, 17625697, 19680711, 45921659, 52877091, 123379879, 137764977, 370139637, 1462932851, 4388798553, 10240529957, 30721589871]

約数ペア:

[(1, 30721589871), (3, 10240529957), (7, 4388798553), (21, 1462932851), (83, 370139637), (223, 137764977), (249, 123379879), (581, 52877091), (669, 45921659), (1561, 19680711), (1743, 17625697), (4683, 6560237), (18509, 1659819), (55527, 553273), (79039, 388689), (129563, 237117)]