890991777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31253}}^1$

素因数の和:31329

約数の個数: 32

約数和(自身を含む): 1386177408

約数和(自身を除く): 495185631

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 9503, 28509, 31253, 93759, 406289, 531301, 1218867, 1343879, 1593903, 4031637, 6906913, 17470427, 20720739, 22845943, 52411281, 68537829, 296997259, 890991777]

約数ペア:

[(1, 890991777), (3, 296997259), (13, 68537829), (17, 52411281), (39, 22845943), (43, 20720739), (51, 17470427), (129, 6906913), (221, 4031637), (559, 1593903), (663, 1343879), (731, 1218867), (1677, 531301), (2193, 406289), (9503, 93759), (28509, 31253)]