211728705

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 343626624

約数和(自身を除く): 131897919

約数列:

[1, 3, 5, 15, 137, 197, 411, 523, 591, 685, 985, 1569, 2055, 2615, 2955, 7845, 26989, 71651, 80967, 103031, 134945, 214953, 309093, 358255, 404835, 515155, 1074765, 1545465, 14115247, 42345741, 70576235, 211728705]

約数ペア:

[(1, 211728705), (3, 70576235), (5, 42345741), (15, 14115247), (137, 1545465), (197, 1074765), (411, 515155), (523, 404835), (591, 358255), (685, 309093), (985, 214953), (1569, 134945), (2055, 103031), (2615, 80967), (2955, 71651), (7845, 26989)]