2506515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 4411344

約数和(自身を除く): 1904829

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1381, 1815, 4143, 6905, 15191, 20715, 45573, 75955, 167101, 227865, 501303, 835505, 2506515]

約数ペア:

[(1, 2506515), (3, 835505), (5, 501303), (11, 227865), (15, 167101), (33, 75955), (55, 45573), (121, 20715), (165, 15191), (363, 6905), (605, 4143), (1381, 1815)]