638862015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1693}}^1\times {\mathrm{2287}}^1$

素因数の和:3999

約数の個数: 32

約数和(自身を含む): 1116251136

約数和(自身を除く): 477389121

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1693, 2287, 5079, 6861, 8465, 11435, 18623, 25157, 25395, 34305, 55869, 75471, 93115, 125785, 279345, 377355, 3871891, 11615673, 19359455, 42590801, 58078365, 127772403, 212954005, 638862015]

約数ペア:

[(1, 638862015), (3, 212954005), (5, 127772403), (11, 58078365), (15, 42590801), (33, 19359455), (55, 11615673), (165, 3871891), (1693, 377355), (2287, 279345), (5079, 125785), (6861, 93115), (8465, 75471), (11435, 55869), (18623, 34305), (25157, 25395)]