123218991

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{52861}}^1$

素因数の和:52911

約数の個数: 24

約数和(自身を含む): 208910624

約数和(自身を除く): 85691633

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 52861, 158583, 370027, 475749, 1110081, 1955857, 3330243, 5867571, 13690999, 17602713, 41072997, 123218991]

約数ペア:

[(1, 123218991), (3, 41072997), (7, 17602713), (9, 13690999), (21, 5867571), (37, 3330243), (63, 1955857), (111, 1110081), (259, 475749), (333, 370027), (777, 158583), (2331, 52861)]