31368129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 46717440

約数和(自身を除く): 15349311

約数列:

[1, 3, 13, 39, 47, 109, 141, 157, 327, 471, 611, 1417, 1833, 2041, 4251, 5123, 6123, 7379, 15369, 17113, 22137, 51339, 66599, 95927, 199797, 222469, 287781, 667407, 804311, 2412933, 10456043, 31368129]

約数ペア:

[(1, 31368129), (3, 10456043), (13, 2412933), (39, 804311), (47, 667407), (109, 287781), (141, 222469), (157, 199797), (327, 95927), (471, 66599), (611, 51339), (1417, 22137), (1833, 17113), (2041, 15369), (4251, 7379), (5123, 6123)]