1131345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 2026752

約数和(自身を除く): 895407

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 811, 1395, 2433, 4055, 7299, 12165, 25141, 36495, 75423, 125705, 226269, 377115, 1131345]

約数ペア:

[(1, 1131345), (3, 377115), (5, 226269), (9, 125705), (15, 75423), (31, 36495), (45, 25141), (93, 12165), (155, 7299), (279, 4055), (465, 2433), (811, 1395)]