257052015

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173099}}^1$

素因数の和:173124

約数の個数: 32

約数和(自身を含む): 498528000

約数和(自身を除く): 241475985

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 173099, 519297, 865495, 1557891, 1904089, 2596485, 4673673, 5712267, 7789455, 9520445, 17136801, 23368365, 28561335, 51410403, 85684005, 257052015]

約数ペア:

[(1, 257052015), (3, 85684005), (5, 51410403), (9, 28561335), (11, 23368365), (15, 17136801), (27, 9520445), (33, 7789455), (45, 5712267), (55, 4673673), (99, 2596485), (135, 1904089), (165, 1557891), (297, 865495), (495, 519297), (1485, 173099)]