290499279

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 449856000

約数和(自身を除く): 159356721

約数列:

[1, 3, 7, 21, 109, 179, 327, 537, 709, 763, 1253, 2127, 2289, 3759, 4963, 14889, 19511, 58533, 77281, 126911, 136577, 231843, 380733, 409731, 540967, 888377, 1622901, 2665131, 13833299, 41499897, 96833093, 290499279]

約数ペア:

[(1, 290499279), (3, 96833093), (7, 41499897), (21, 13833299), (109, 2665131), (179, 1622901), (327, 888377), (537, 540967), (709, 409731), (763, 380733), (1253, 231843), (2127, 136577), (2289, 126911), (3759, 77281), (4963, 58533), (14889, 19511)]