201227719

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{6421}}^1$

素因数の和:6487

約数の個数: 24

約数和(自身を含む): 259654304

約数和(自身を除く): 58426585

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 6421, 31339, 44947, 70631, 237577, 494417, 776941, 1663039, 2613347, 5438587, 18293429, 28746817, 201227719]

約数ペア:

[(1, 201227719), (7, 28746817), (11, 18293429), (37, 5438587), (77, 2613347), (121, 1663039), (259, 776941), (407, 494417), (847, 237577), (2849, 70631), (4477, 44947), (6421, 31339)]