242407785

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 398579328

約数和(自身を除く): 156171543

約数列:

[1, 3, 5, 15, 41, 123, 205, 613, 615, 643, 1839, 1929, 3065, 3215, 9195, 9645, 25133, 26363, 75399, 79089, 125665, 131815, 376995, 394159, 395445, 1182477, 1970795, 5912385, 16160519, 48481557, 80802595, 242407785]

約数ペア:

[(1, 242407785), (3, 80802595), (5, 48481557), (15, 16160519), (41, 5912385), (123, 1970795), (205, 1182477), (613, 395445), (615, 394159), (643, 376995), (1839, 131815), (1929, 125665), (3065, 79089), (3215, 75399), (9195, 26363), (9645, 25133)]