1221782013

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{6247}}^1$

素因数の和:6985

約数の個数: 24

約数和(自身を含む): 1824615936

約数和(自身を除く): 602833923

約数列:

[1, 3, 9, 31, 93, 279, 701, 2103, 6247, 6309, 18741, 21731, 56223, 65193, 193657, 195579, 580971, 1742913, 4379147, 13137441, 39412323, 135753557, 407260671, 1221782013]

約数ペア:

[(1, 1221782013), (3, 407260671), (9, 135753557), (31, 39412323), (93, 13137441), (279, 4379147), (701, 1742913), (2103, 580971), (6247, 195579), (6309, 193657), (18741, 65193), (21731, 56223)]