621855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 1161888

約数和(自身を除く): 540033

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1063, 3189, 5315, 9567, 13819, 15945, 41457, 47835, 69095, 124371, 207285, 621855]

約数ペア:

[(1, 621855), (3, 207285), (5, 124371), (9, 69095), (13, 47835), (15, 41457), (39, 15945), (45, 13819), (65, 9567), (117, 5315), (195, 3189), (585, 1063)]