201210723

素因数分解:

$3^4\times 7^1\times {\mathrm{354869}}^1$

素因数の和:354888

約数の個数: 20

約数和(自身を含む): 343514160

約数和(自身を除く): 142303437

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354869, 1064607, 2484083, 3193821, 7452249, 9581463, 22356747, 28744389, 67070241, 201210723]

約数ペア:

[(1, 201210723), (3, 67070241), (7, 28744389), (9, 22356747), (21, 9581463), (27, 7452249), (63, 3193821), (81, 2484083), (189, 1064607), (567, 354869)]