17971359

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 29268480

約数和(自身を除く): 11297121

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 617, 1387, 1533, 1851, 4161, 4319, 9709, 11723, 12957, 29127, 35169, 45041, 82061, 135123, 246183, 315287, 855779, 945861, 2567337, 5990453, 17971359]

約数ペア:

[(1, 17971359), (3, 5990453), (7, 2567337), (19, 945861), (21, 855779), (57, 315287), (73, 246183), (133, 135123), (219, 82061), (399, 45041), (511, 35169), (617, 29127), (1387, 12957), (1533, 11723), (1851, 9709), (4161, 4319)]