261625557

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 368375040

約数和(自身を除く): 106749483

約数列:

[1, 3, 37, 71, 89, 111, 213, 267, 373, 1119, 2627, 3293, 6319, 7881, 9879, 13801, 18957, 26483, 33197, 41403, 79449, 99591, 233803, 701409, 979871, 1228289, 2356987, 2939613, 3684867, 7070961, 87208519, 261625557]

約数ペア:

[(1, 261625557), (3, 87208519), (37, 7070961), (71, 3684867), (89, 2939613), (111, 2356987), (213, 1228289), (267, 979871), (373, 701409), (1119, 233803), (2627, 99591), (3293, 79449), (6319, 41403), (7881, 33197), (9879, 26483), (13801, 18957)]