13403215

素因数分解:

$5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 18870192

約数和(自身を除く): 5466977

約数列:

[1, 5, 7, 35, 49, 227, 241, 245, 1135, 1205, 1589, 1687, 7945, 8435, 11123, 11809, 54707, 55615, 59045, 273535, 382949, 1914745, 2680643, 13403215]

約数ペア:

[(1, 13403215), (5, 2680643), (7, 1914745), (35, 382949), (49, 273535), (227, 59045), (241, 55615), (245, 54707), (1135, 11809), (1205, 11123), (1589, 8435), (1687, 7945)]