28126605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 48996864

約数和(自身を除く): 20870259

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 1487, 3783, 4461, 6305, 7435, 18915, 19331, 22305, 57993, 96655, 144239, 289965, 432717, 721195, 1875107, 2163585, 5625321, 9375535, 28126605]

約数ペア:

[(1, 28126605), (3, 9375535), (5, 5625321), (13, 2163585), (15, 1875107), (39, 721195), (65, 432717), (97, 289965), (195, 144239), (291, 96655), (485, 57993), (1261, 22305), (1455, 19331), (1487, 18915), (3783, 7435), (4461, 6305)]