28820415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11369}}^1$

素因数の和:11403

約数の個数: 24

約数和(自身を含む): 49937040

約数和(自身を除く): 21116625

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11369, 34107, 56845, 147797, 170535, 443391, 738985, 1921361, 2216955, 5764083, 9606805, 28820415]

約数ペア:

[(1, 28820415), (3, 9606805), (5, 5764083), (13, 2216955), (15, 1921361), (39, 738985), (65, 443391), (169, 170535), (195, 147797), (507, 56845), (845, 34107), (2535, 11369)]