320495517

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{5039}}^1$

素因数の和:5273

約数の個数: 24

約数和(自身を含む): 478033920

約数和(自身を除く): 157538403

約数列:

[1, 3, 9, 37, 111, 191, 333, 573, 1719, 5039, 7067, 15117, 21201, 45351, 63603, 186443, 559329, 962449, 1677987, 2887347, 8662041, 35610613, 106831839, 320495517]

約数ペア:

[(1, 320495517), (3, 106831839), (9, 35610613), (37, 8662041), (111, 2887347), (191, 1677987), (333, 962449), (573, 559329), (1719, 186443), (5039, 63603), (7067, 45351), (15117, 21201)]