71591121

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4073}}^1$

素因数の和:4123

約数の個数: 40

約数和(自身を含む): 126196224

約数和(自身を除く): 54605103

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 4073, 5859, 12219, 17577, 28511, 36657, 85533, 109971, 126263, 256599, 329913, 378789, 769797, 883841, 1136367, 2309391, 2651523, 3409101, 7954569, 10227303, 23863707, 71591121]

約数ペア:

[(1, 71591121), (3, 23863707), (7, 10227303), (9, 7954569), (21, 3409101), (27, 2651523), (31, 2309391), (63, 1136367), (81, 883841), (93, 769797), (189, 378789), (217, 329913), (279, 256599), (567, 126263), (651, 109971), (837, 85533), (1953, 36657), (2511, 28511), (4073, 17577), (5859, 12219)]