1338778899

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{8893}}^1$

素因数の和:9331

約数の個数: 24

約数和(自身を含む): 1984073520

約数和(自身を除く): 645294621

約数列:

[1, 3, 9, 43, 129, 387, 389, 1167, 3501, 8893, 16727, 26679, 50181, 80037, 150543, 382399, 1147197, 3441591, 3459377, 10378131, 31134393, 148753211, 446259633, 1338778899]

約数ペア:

[(1, 1338778899), (3, 446259633), (9, 148753211), (43, 31134393), (129, 10378131), (387, 3459377), (389, 3441591), (1167, 1147197), (3501, 382399), (8893, 150543), (16727, 80037), (26679, 50181)]