1220895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 2280096

約数和(自身を除く): 1059201

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 2087, 6261, 10435, 18783, 27131, 31305, 81393, 93915, 135655, 244179, 406965, 1220895]

約数ペア:

[(1, 1220895), (3, 406965), (5, 244179), (9, 135655), (13, 93915), (15, 81393), (39, 31305), (45, 27131), (65, 18783), (117, 10435), (195, 6261), (585, 2087)]