13458991

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 17240064

約数和(自身を除く): 3781073

約数列:

[1, 7, 13, 31, 91, 169, 217, 367, 403, 1183, 2569, 2821, 4771, 5239, 11377, 33397, 36673, 62023, 79639, 147901, 434161, 1035307, 1922713, 13458991]

約数ペア:

[(1, 13458991), (7, 1922713), (13, 1035307), (31, 434161), (91, 147901), (169, 79639), (217, 62023), (367, 36673), (403, 33397), (1183, 11377), (2569, 5239), (2821, 4771)]