210815997

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3299}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 131328003

約数列:

[1, 3, 7, 17, 21, 51, 119, 179, 357, 537, 1253, 3043, 3299, 3759, 9129, 9897, 21301, 23093, 56083, 63903, 69279, 168249, 392581, 590521, 1177743, 1771563, 4133647, 10038857, 12400941, 30116571, 70271999, 210815997]

約数ペア:

[(1, 210815997), (3, 70271999), (7, 30116571), (17, 12400941), (21, 10038857), (51, 4133647), (119, 1771563), (179, 1177743), (357, 590521), (537, 392581), (1253, 168249), (3043, 69279), (3299, 63903), (3759, 56083), (9129, 23093), (9897, 21301)]