91991805

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 153062784

約数和(自身を除く): 61070979

約数列:

[1, 3, 5, 15, 37, 83, 111, 185, 249, 415, 555, 1245, 1997, 3071, 5991, 9213, 9985, 15355, 29955, 46065, 73889, 165751, 221667, 369445, 497253, 828755, 1108335, 2486265, 6132787, 18398361, 30663935, 91991805]

約数ペア:

[(1, 91991805), (3, 30663935), (5, 18398361), (15, 6132787), (37, 2486265), (83, 1108335), (111, 828755), (185, 497253), (249, 369445), (415, 221667), (555, 165751), (1245, 73889), (1997, 46065), (3071, 29955), (5991, 15355), (9213, 9985)]