81655483

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 25595717

約数列:

[1, 7, 13, 19, 83, 91, 133, 247, 569, 581, 1079, 1577, 1729, 3983, 7397, 7553, 10811, 11039, 20501, 47227, 51779, 75677, 140543, 143507, 330589, 613951, 897313, 983801, 4297657, 6281191, 11665069, 81655483]

約数ペア:

[(1, 81655483), (7, 11665069), (13, 6281191), (19, 4297657), (83, 983801), (91, 897313), (133, 613951), (247, 330589), (569, 143507), (581, 140543), (1079, 75677), (1577, 51779), (1729, 47227), (3983, 20501), (7397, 11039), (7553, 10811)]