68398209

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 114131520

約数和(自身を除く): 45733311

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 137, 297, 369, 411, 451, 1107, 1233, 1353, 1507, 1681, 3699, 4059, 4521, 5043, 5617, 12177, 13563, 15129, 16851, 18491, 40689, 45387, 50553, 55473, 61787, 151659, 166419, 185361, 230297, 499257, 556083, 690891, 1668249, 2072673, 2533267, 6218019, 7599801, 22799403, 68398209]

約数ペア:

[(1, 68398209), (3, 22799403), (9, 7599801), (11, 6218019), (27, 2533267), (33, 2072673), (41, 1668249), (99, 690891), (123, 556083), (137, 499257), (297, 230297), (369, 185361), (411, 166419), (451, 151659), (1107, 61787), (1233, 55473), (1353, 50553), (1507, 45387), (1681, 40689), (3699, 18491), (4059, 16851), (4521, 15129), (5043, 13563), (5617, 12177)]