204472005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{6121}}^1$

素因数の和:6277

約数の個数: 32

約数和(自身を含む): 349100928

約数和(自身を除く): 144628923

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 655, 1965, 2227, 6121, 6681, 11135, 18363, 30605, 33405, 91815, 104057, 312171, 520285, 801851, 1560855, 2405553, 4009255, 12027765, 13631467, 40894401, 68157335, 204472005]

約数ペア:

[(1, 204472005), (3, 68157335), (5, 40894401), (15, 13631467), (17, 12027765), (51, 4009255), (85, 2405553), (131, 1560855), (255, 801851), (393, 520285), (655, 312171), (1965, 104057), (2227, 91815), (6121, 33405), (6681, 30605), (11135, 18363)]