128761275

素因数分解:

$3^1\times 5^2\times {\mathrm{1153}}^1\times {\mathrm{1489}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 213213040

約数和(自身を除く): 84451765

約数列:

[1, 3, 5, 15, 25, 75, 1153, 1489, 3459, 4467, 5765, 7445, 17295, 22335, 28825, 37225, 86475, 111675, 1716817, 5150451, 8584085, 25752255, 42920425, 128761275]

約数ペア:

[(1, 128761275), (3, 42920425), (5, 25752255), (15, 8584085), (25, 5150451), (75, 1716817), (1153, 111675), (1489, 86475), (3459, 37225), (4467, 28825), (5765, 22335), (7445, 17295)]