221468511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{857}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 332107776

約数和(自身を除く): 110639265

約数列:

[1, 3, 11, 33, 41, 123, 191, 451, 573, 857, 1353, 2101, 2571, 6303, 7831, 9427, 23493, 28281, 35137, 86141, 105411, 163687, 258423, 386507, 491061, 1159521, 1800557, 5401671, 6711167, 20133501, 73822837, 221468511]

約数ペア:

[(1, 221468511), (3, 73822837), (11, 20133501), (33, 6711167), (41, 5401671), (123, 1800557), (191, 1159521), (451, 491061), (573, 386507), (857, 258423), (1353, 163687), (2101, 105411), (2571, 86141), (6303, 35137), (7831, 28281), (9427, 23493)]