72578079

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2803}}^1$

素因数の和:2956

約数の個数: 32

約数和(自身を含む): 123824640

約数和(自身を除く): 51246561

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2803, 2877, 3699, 8409, 8631, 19621, 25227, 25893, 58863, 75681, 176589, 384011, 529767, 1152033, 2688077, 3456099, 8064231, 10368297, 24192693, 72578079]

約数ペア:

[(1, 72578079), (3, 24192693), (7, 10368297), (9, 8064231), (21, 3456099), (27, 2688077), (63, 1152033), (137, 529767), (189, 384011), (411, 176589), (959, 75681), (1233, 58863), (2803, 25893), (2877, 25227), (3699, 19621), (8409, 8631)]