199396071

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 341500224

約数和(自身を除く): 142104153

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 113, 259, 333, 339, 757, 777, 791, 1017, 2271, 2331, 2373, 4181, 5299, 6813, 7119, 12543, 15897, 28009, 29267, 37629, 47691, 84027, 85541, 87801, 196063, 252081, 256623, 263403, 588189, 598787, 769869, 1764567, 1796361, 3165017, 5389083, 9495051, 22155119, 28485153, 66465357, 199396071]

約数ペア:

[(1, 199396071), (3, 66465357), (7, 28485153), (9, 22155119), (21, 9495051), (37, 5389083), (63, 3165017), (111, 1796361), (113, 1764567), (259, 769869), (333, 598787), (339, 588189), (757, 263403), (777, 256623), (791, 252081), (1017, 196063), (2271, 87801), (2331, 85541), (2373, 84027), (4181, 47691), (5299, 37629), (6813, 29267), (7119, 28009), (12543, 15897)]