210007575

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{8563}}^1$

素因数の和:8688

約数の個数: 36

約数和(自身を含む): 379642120

約数和(自身を除く): 169634545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1635, 2725, 4905, 8175, 8563, 24525, 25689, 42815, 77067, 128445, 214075, 385335, 642225, 933367, 1926675, 2800101, 4666835, 8400303, 14000505, 23334175, 42001515, 70002525, 210007575]

約数ペア:

[(1, 210007575), (3, 70002525), (5, 42001515), (9, 23334175), (15, 14000505), (25, 8400303), (45, 4666835), (75, 2800101), (109, 1926675), (225, 933367), (327, 642225), (545, 385335), (981, 214075), (1635, 128445), (2725, 77067), (4905, 42815), (8175, 25689), (8563, 24525)]