249501981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 350986240

約数和(自身を除く): 101484259

約数列:

[1, 3, 31, 93, 109, 151, 163, 327, 453, 489, 3379, 4681, 5053, 10137, 14043, 15159, 16459, 17767, 24613, 49377, 53301, 73839, 510229, 550777, 763003, 1530687, 1652331, 2289009, 2682817, 8048451, 83167327, 249501981]

約数ペア:

[(1, 249501981), (3, 83167327), (31, 8048451), (93, 2682817), (109, 2289009), (151, 1652331), (163, 1530687), (327, 763003), (453, 550777), (489, 510229), (3379, 73839), (4681, 53301), (5053, 49377), (10137, 24613), (14043, 17767), (15159, 16459)]