18139671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 29566680

約数和(自身を除く): 11427009

約数列:

[1, 3, 9, 11, 33, 41, 99, 109, 123, 327, 369, 451, 981, 1199, 1353, 1681, 3597, 4059, 4469, 5043, 10791, 13407, 15129, 18491, 40221, 49159, 55473, 147477, 166419, 183229, 442431, 549687, 1649061, 2015519, 6046557, 18139671]

約数ペア:

[(1, 18139671), (3, 6046557), (9, 2015519), (11, 1649061), (33, 549687), (41, 442431), (99, 183229), (109, 166419), (123, 147477), (327, 55473), (369, 49159), (451, 40221), (981, 18491), (1199, 15129), (1353, 13407), (1681, 10791), (3597, 5043), (4059, 4469)]