197021223

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18077}}^1$

素因数の和:18263

約数の個数: 24

約数和(自身を含む): 327139488

約数和(自身を除く): 130118265

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 18077, 54231, 126539, 162693, 379617, 1138851, 3127321, 9381963, 21891247, 28145889, 65673741, 197021223]

約数ペア:

[(1, 197021223), (3, 65673741), (7, 28145889), (9, 21891247), (21, 9381963), (63, 3127321), (173, 1138851), (519, 379617), (1211, 162693), (1557, 126539), (3633, 54231), (10899, 18077)]