261888033

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{4721}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 390528288

約数和(自身を除く): 128640255

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 1681, 4721, 5043, 14163, 18491, 51931, 55473, 155793, 193561, 580683, 2129171, 6387513, 7936001, 23808003, 87296011, 261888033]

約数ペア:

[(1, 261888033), (3, 87296011), (11, 23808003), (33, 7936001), (41, 6387513), (123, 2129171), (451, 580683), (1353, 193561), (1681, 155793), (4721, 55473), (5043, 51931), (14163, 18491)]