204561

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 359424

約数和(自身を除く): 154863

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 191, 357, 573, 1071, 1337, 1719, 3247, 4011, 9741, 12033, 22729, 29223, 68187, 204561]

約数ペア:

[(1, 204561), (3, 68187), (7, 29223), (9, 22729), (17, 12033), (21, 9741), (51, 4011), (63, 3247), (119, 1719), (153, 1337), (191, 1071), (357, 573)]