220131525

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 376047360

約数和(自身を除く): 155915835

約数列:

[1, 3, 5, 15, 25, 53, 75, 79, 159, 237, 265, 395, 701, 795, 1185, 1325, 1975, 2103, 3505, 3975, 4187, 5925, 10515, 12561, 17525, 20935, 37153, 52575, 55379, 62805, 104675, 111459, 166137, 185765, 276895, 314025, 557295, 830685, 928825, 1384475, 2786475, 2935087, 4153425, 8805261, 14675435, 44026305, 73377175, 220131525]

約数ペア:

[(1, 220131525), (3, 73377175), (5, 44026305), (15, 14675435), (25, 8805261), (53, 4153425), (75, 2935087), (79, 2786475), (159, 1384475), (237, 928825), (265, 830685), (395, 557295), (701, 314025), (795, 276895), (1185, 185765), (1325, 166137), (1975, 111459), (2103, 104675), (3505, 62805), (3975, 55379), (4187, 52575), (5925, 37153), (10515, 20935), (12561, 17525)]