64715679

素因数分解:

$3^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 111141888

約数和(自身を除く): 46426209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 311, 367, 567, 933, 1101, 2177, 2569, 2799, 3303, 6531, 7707, 8397, 9909, 19593, 23121, 25191, 29727, 58779, 69363, 114137, 176337, 208089, 342411, 798959, 1027233, 2396877, 3081699, 7190631, 9245097, 21571893, 64715679]

約数ペア:

[(1, 64715679), (3, 21571893), (7, 9245097), (9, 7190631), (21, 3081699), (27, 2396877), (63, 1027233), (81, 798959), (189, 342411), (311, 208089), (367, 176337), (567, 114137), (933, 69363), (1101, 58779), (2177, 29727), (2569, 25191), (2799, 23121), (3303, 19593), (6531, 9909), (7707, 8397)]