6815225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 8879640

約数和(自身を除く): 2064415

約数列:

[1, 5, 25, 41, 61, 109, 205, 305, 545, 1025, 1525, 2501, 2725, 4469, 6649, 12505, 22345, 33245, 62525, 111725, 166225, 272609, 1363045, 6815225]

約数ペア:

[(1, 6815225), (5, 1363045), (25, 272609), (41, 166225), (61, 111725), (109, 62525), (205, 33245), (305, 22345), (545, 12505), (1025, 6649), (1525, 4469), (2501, 2725)]