81427863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 126777600

約数和(自身を除く): 45349737

約数列:

[1, 3, 11, 19, 33, 57, 61, 183, 209, 627, 671, 1159, 2013, 2129, 3477, 6387, 12749, 23419, 38247, 40451, 70257, 121353, 129869, 389607, 444961, 1334883, 1428559, 2467511, 4285677, 7402533, 27142621, 81427863]

約数ペア:

[(1, 81427863), (3, 27142621), (11, 7402533), (19, 4285677), (33, 2467511), (57, 1428559), (61, 1334883), (183, 444961), (209, 389607), (627, 129869), (671, 121353), (1159, 70257), (2013, 40451), (2129, 38247), (3477, 23419), (6387, 12749)]