210316455

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 374396256

約数和(自身を除く): 164079801

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 163, 265, 477, 489, 541, 795, 815, 1467, 1623, 2385, 2445, 2705, 4869, 7335, 8115, 8639, 24345, 25917, 28673, 43195, 77751, 86019, 88183, 129585, 143365, 258057, 264549, 388755, 430095, 440915, 793647, 1290285, 1322745, 3968235, 4673699, 14021097, 23368495, 42063291, 70105485, 210316455]

約数ペア:

[(1, 210316455), (3, 70105485), (5, 42063291), (9, 23368495), (15, 14021097), (45, 4673699), (53, 3968235), (159, 1322745), (163, 1290285), (265, 793647), (477, 440915), (489, 430095), (541, 388755), (795, 264549), (815, 258057), (1467, 143365), (1623, 129585), (2385, 88183), (2445, 86019), (2705, 77751), (4869, 43195), (7335, 28673), (8115, 25917), (8639, 24345)]