1263490557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3166643}}^1$

素因数の和:3166672

約数の個数: 16

約数和(自身を含む): 2026652160

約数和(自身を除く): 763161603

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3166643, 9499929, 22166501, 60166217, 66499503, 180498651, 421163519, 1263490557]

約数ペア:

[(1, 1263490557), (3, 421163519), (7, 180498651), (19, 66499503), (21, 60166217), (57, 22166501), (133, 9499929), (399, 3166643)]