157621359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9187}}^1$

素因数の和:9259

約数の個数: 32

約数和(自身を含む): 258734080

約数和(自身を除く): 101112721

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 9187, 17157, 27561, 64309, 174553, 192927, 395041, 523659, 1185123, 1221871, 2765287, 3665613, 7505779, 8295861, 22517337, 52540453, 157621359]

約数ペア:

[(1, 157621359), (3, 52540453), (7, 22517337), (19, 8295861), (21, 7505779), (43, 3665613), (57, 2765287), (129, 1221871), (133, 1185123), (301, 523659), (399, 395041), (817, 192927), (903, 174553), (2451, 64309), (5719, 27561), (9187, 17157)]