1353640185

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{640019}}^1$

素因数の和:640077

約数の個数: 24

約数和(自身を含む): 2396234880

約数和(自身を除く): 1042594695

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 640019, 1920057, 3200095, 5760171, 9600285, 28800855, 30080893, 90242679, 150404465, 270728037, 451213395, 1353640185]

約数ペア:

[(1, 1353640185), (3, 451213395), (5, 270728037), (9, 150404465), (15, 90242679), (45, 30080893), (47, 28800855), (141, 9600285), (235, 5760171), (423, 3200095), (705, 1920057), (2115, 640019)]