13120719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 19666944

約数和(自身を除く): 6546225

約数列:

[1, 3, 17, 31, 43, 51, 93, 129, 193, 527, 579, 731, 1333, 1581, 2193, 3281, 3999, 5983, 8299, 9843, 17949, 22661, 24897, 67983, 101711, 141083, 257269, 305133, 423249, 771807, 4373573, 13120719]

約数ペア:

[(1, 13120719), (3, 4373573), (17, 771807), (31, 423249), (43, 305133), (51, 257269), (93, 141083), (129, 101711), (193, 67983), (527, 24897), (579, 22661), (731, 17949), (1333, 9843), (1581, 8299), (2193, 5983), (3281, 3999)]