161012205

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13709}}^1$

素因数の和:13755

約数の個数: 40

約数和(自身を含む): 298603800

約数和(自身を除く): 137591595

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 13709, 41127, 68545, 123381, 205635, 370143, 397561, 616905, 1110429, 1192683, 1850715, 1987805, 3578049, 5552145, 5963415, 10734147, 17890245, 32202441, 53670735, 161012205]

約数ペア:

[(1, 161012205), (3, 53670735), (5, 32202441), (9, 17890245), (15, 10734147), (27, 5963415), (29, 5552145), (45, 3578049), (81, 1987805), (87, 1850715), (135, 1192683), (145, 1110429), (261, 616905), (405, 397561), (435, 370143), (783, 205635), (1305, 123381), (2349, 68545), (3915, 41127), (11745, 13709)]