139618305

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 248676480

約数和(自身を除く): 109058175

約数列:

[1, 3, 5, 9, 15, 45, 71, 89, 213, 267, 355, 445, 491, 639, 801, 1065, 1335, 1473, 2455, 3195, 4005, 4419, 6319, 7365, 18957, 22095, 31595, 34861, 43699, 56871, 94785, 104583, 131097, 174305, 218495, 284355, 313749, 393291, 522915, 655485, 1568745, 1966455, 3102629, 9307887, 15513145, 27923661, 46539435, 139618305]

約数ペア:

[(1, 139618305), (3, 46539435), (5, 27923661), (9, 15513145), (15, 9307887), (45, 3102629), (71, 1966455), (89, 1568745), (213, 655485), (267, 522915), (355, 393291), (445, 313749), (491, 284355), (639, 218495), (801, 174305), (1065, 131097), (1335, 104583), (1473, 94785), (2455, 56871), (3195, 43699), (4005, 34861), (4419, 31595), (6319, 22095), (7365, 18957)]