155117211

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 221675520

約数和(自身を除く): 66558309

約数列:

[1, 3, 31, 43, 79, 93, 129, 237, 491, 1333, 1473, 2449, 3397, 3999, 7347, 10191, 15221, 21113, 38789, 45663, 63339, 105307, 116367, 315921, 654503, 1202459, 1667927, 1963509, 3607377, 5003781, 51705737, 155117211]

約数ペア:

[(1, 155117211), (3, 51705737), (31, 5003781), (43, 3607377), (79, 1963509), (93, 1667927), (129, 1202459), (237, 654503), (491, 315921), (1333, 116367), (1473, 105307), (2449, 63339), (3397, 45663), (3999, 38789), (7347, 21113), (10191, 15221)]