261766527

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12611}}^1$

素因数の和:12679

約数の個数: 32

約数和(自身を含む): 414077184

約数和(自身を除く): 152310657

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1221, 1887, 6919, 12611, 20757, 37833, 138721, 214387, 416163, 466607, 643161, 1399821, 2358257, 5132677, 7074771, 7932319, 15398031, 23796957, 87255509, 261766527]

約数ペア:

[(1, 261766527), (3, 87255509), (11, 23796957), (17, 15398031), (33, 7932319), (37, 7074771), (51, 5132677), (111, 2358257), (187, 1399821), (407, 643161), (561, 466607), (629, 416163), (1221, 214387), (1887, 138721), (6919, 37833), (12611, 20757)]