2986515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 6240000

約数和(自身を除く): 3253485

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 499, 665, 855, 1197, 1497, 1995, 2495, 3493, 4491, 5985, 7485, 9481, 10479, 17465, 22455, 28443, 31437, 47405, 52395, 66367, 85329, 142215, 157185, 199101, 331835, 426645, 597303, 995505, 2986515]

約数ペア:

[(1, 2986515), (3, 995505), (5, 597303), (7, 426645), (9, 331835), (15, 199101), (19, 157185), (21, 142215), (35, 85329), (45, 66367), (57, 52395), (63, 47405), (95, 31437), (105, 28443), (133, 22455), (171, 17465), (285, 10479), (315, 9481), (399, 7485), (499, 5985), (665, 4491), (855, 3493), (1197, 2495), (1497, 1995)]