64223271

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1063}}^1$

素因数の和:1220

約数の個数: 36

約数和(自身を含む): 108802512

約数和(自身を除く): 44579241

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 441, 959, 1063, 1233, 2877, 3189, 6713, 7441, 8631, 9567, 20139, 22323, 52087, 60417, 66969, 145631, 156261, 436893, 468783, 1019417, 1310679, 3058251, 7135919, 9174753, 21407757, 64223271]

約数ペア:

[(1, 64223271), (3, 21407757), (7, 9174753), (9, 7135919), (21, 3058251), (49, 1310679), (63, 1019417), (137, 468783), (147, 436893), (411, 156261), (441, 145631), (959, 66969), (1063, 60417), (1233, 52087), (2877, 22323), (3189, 20139), (6713, 9567), (7441, 8631)]