72557877

素因数分解:

$3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 114048000

約数和(自身を除く): 41490123

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 343, 659, 749, 1029, 1977, 2247, 4613, 5243, 13839, 15729, 32291, 36701, 70513, 96873, 110103, 211539, 226037, 493591, 678111, 1480773, 3455137, 10365411, 24185959, 72557877]

約数ペア:

[(1, 72557877), (3, 24185959), (7, 10365411), (21, 3455137), (49, 1480773), (107, 678111), (147, 493591), (321, 226037), (343, 211539), (659, 110103), (749, 96873), (1029, 70513), (1977, 36701), (2247, 32291), (4613, 15729), (5243, 13839)]