78865731

素因数分解:

$3^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 135365120

約数和(自身を除く): 56499389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 367, 379, 567, 1101, 1137, 2569, 2653, 3303, 3411, 7707, 7959, 9909, 10233, 23121, 23877, 29727, 30699, 69363, 71631, 139093, 208089, 214893, 417279, 973651, 1251837, 2920953, 3755511, 8762859, 11266533, 26288577, 78865731]

約数ペア:

[(1, 78865731), (3, 26288577), (7, 11266533), (9, 8762859), (21, 3755511), (27, 2920953), (63, 1251837), (81, 973651), (189, 417279), (367, 214893), (379, 208089), (567, 139093), (1101, 71631), (1137, 69363), (2569, 30699), (2653, 29727), (3303, 23877), (3411, 23121), (7707, 10233), (7959, 9909)]