16215945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 27439104

約数和(自身を除く): 11223159

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 811, 1333, 2433, 3999, 4055, 6665, 12165, 19995, 25141, 34873, 75423, 104619, 125705, 174365, 377115, 523095, 1081063, 3243189, 5405315, 16215945]

約数ペア:

[(1, 16215945), (3, 5405315), (5, 3243189), (15, 1081063), (31, 523095), (43, 377115), (93, 174365), (129, 125705), (155, 104619), (215, 75423), (465, 34873), (645, 25141), (811, 19995), (1333, 12165), (2433, 6665), (3999, 4055)]