218139495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{122207}}^1$

素因数の和:122239

約数の個数: 32

約数和(自身を含む): 422350848

約数和(自身を除く): 204211353

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 122207, 366621, 611035, 855449, 1833105, 2077519, 2566347, 4277245, 6232557, 10387595, 12831735, 14542633, 31162785, 43627899, 72713165, 218139495]

約数ペア:

[(1, 218139495), (3, 72713165), (5, 43627899), (7, 31162785), (15, 14542633), (17, 12831735), (21, 10387595), (35, 6232557), (51, 4277245), (85, 2566347), (105, 2077519), (119, 1833105), (255, 855449), (357, 611035), (595, 366621), (1785, 122207)]