210867993

素因数分解:

$3^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{4253}}^1$

素因数の和:5053

約数の個数: 24

約数和(自身を含む): 348623808

約数和(自身を除く): 137755815

約数列:

[1, 3, 7, 9, 21, 63, 787, 2361, 4253, 5509, 7083, 12759, 16527, 29771, 38277, 49581, 89313, 267939, 3347111, 10041333, 23429777, 30123999, 70289331, 210867993]

約数ペア:

[(1, 210867993), (3, 70289331), (7, 30123999), (9, 23429777), (21, 10041333), (63, 3347111), (787, 267939), (2361, 89313), (4253, 49581), (5509, 38277), (7083, 29771), (12759, 16527)]