289119795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{13229}}^1$

素因数の和:13315

約数の個数: 32

約数和(自身を含む): 487710720

約数和(自身を除く): 198590925

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1457, 4371, 7285, 13229, 21855, 39687, 66145, 198435, 410099, 621763, 1230297, 1865289, 2050495, 3108815, 6151485, 9326445, 19274653, 57823959, 96373265, 289119795]

約数ペア:

[(1, 289119795), (3, 96373265), (5, 57823959), (15, 19274653), (31, 9326445), (47, 6151485), (93, 3108815), (141, 2050495), (155, 1865289), (235, 1230297), (465, 621763), (705, 410099), (1457, 198435), (4371, 66145), (7285, 39687), (13229, 21855)]