81720512097

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19169719}}^1$

素因数の和:19169765

約数の個数: 24

約数和(自身を含む): 131120884800

約数和(自身を除く): 49400372703

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 19169719, 57509157, 134188033, 402564099, 555921851, 939316231, 1667765553, 2817948693, 3891452957, 11674358871, 27240170699, 81720512097]

約数ペア:

[(1, 81720512097), (3, 27240170699), (7, 11674358871), (21, 3891452957), (29, 2817948693), (49, 1667765553), (87, 939316231), (147, 555921851), (203, 402564099), (609, 134188033), (1421, 57509157), (4263, 19169719)]