2015091981

素因数分解:

$3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{51673}}^1$

素因数の和:52305

約数の個数: 24

約数和(自身を含む): 3331939520

約数和(自身を除く): 1316847539

約数列:

[1, 3, 7, 9, 21, 63, 619, 1857, 4333, 5571, 12999, 38997, 51673, 155019, 361711, 465057, 1085133, 3255399, 31985587, 95956761, 223899109, 287870283, 671697327, 2015091981]

約数ペア:

[(1, 2015091981), (3, 671697327), (7, 287870283), (9, 223899109), (21, 95956761), (63, 31985587), (619, 3255399), (1857, 1085133), (4333, 465057), (5571, 361711), (12999, 155019), (38997, 51673)]