1994445

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 3773952

約数和(自身を除く): 1779507

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 47, 69, 115, 123, 141, 205, 207, 235, 345, 369, 423, 615, 705, 943, 1035, 1081, 1845, 1927, 2115, 2829, 3243, 4715, 5405, 5781, 8487, 9635, 9729, 14145, 16215, 17343, 28905, 42435, 44321, 48645, 86715, 132963, 221605, 398889, 664815, 1994445]

約数ペア:

[(1, 1994445), (3, 664815), (5, 398889), (9, 221605), (15, 132963), (23, 86715), (41, 48645), (45, 44321), (47, 42435), (69, 28905), (115, 17343), (123, 16215), (141, 14145), (205, 9729), (207, 9635), (235, 8487), (345, 5781), (369, 5405), (423, 4715), (615, 3243), (705, 2829), (943, 2115), (1035, 1927), (1081, 1845)]