78489009

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 116093952

約数和(自身を除く): 37604943

約数列:

[1, 3, 9, 71, 113, 213, 339, 639, 1017, 1087, 3261, 8023, 9783, 24069, 72207, 77177, 122831, 231531, 368493, 694593, 1105479, 8721001, 26163003, 78489009]

約数ペア:

[(1, 78489009), (3, 26163003), (9, 8721001), (71, 1105479), (113, 694593), (213, 368493), (339, 231531), (639, 122831), (1017, 77177), (1087, 72207), (3261, 24069), (8023, 9783)]