220933887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 323979264

約数和(自身を除く): 103045377

約数列:

[1, 3, 17, 47, 51, 61, 141, 183, 799, 1037, 1511, 2397, 2867, 3111, 4533, 8601, 25687, 48739, 71017, 77061, 92171, 146217, 213051, 276513, 1207289, 1566907, 3621867, 4332037, 4700721, 12996111, 73644629, 220933887]

約数ペア:

[(1, 220933887), (3, 73644629), (17, 12996111), (47, 4700721), (51, 4332037), (61, 3621867), (141, 1566907), (183, 1207289), (799, 276513), (1037, 213051), (1511, 146217), (2397, 92171), (2867, 77061), (3111, 71017), (4533, 48739), (8601, 25687)]