664815

素因数分解:

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

素因数の和:119

約数の個数: 32

約数和(自身を含む): 1161216

約数和(自身を除く): 496401

約数列:

[1, 3, 5, 15, 23, 41, 47, 69, 115, 123, 141, 205, 235, 345, 615, 705, 943, 1081, 1927, 2829, 3243, 4715, 5405, 5781, 9635, 14145, 16215, 28905, 44321, 132963, 221605, 664815]

約数ペア:

[(1, 664815), (3, 221605), (5, 132963), (15, 44321), (23, 28905), (41, 16215), (47, 14145), (69, 9635), (115, 5781), (123, 5405), (141, 4715), (205, 3243), (235, 2829), (345, 1927), (615, 1081), (705, 943)]