201872169

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131171}}^1$

素因数の和:131202

約数の個数: 20

約数和(自身を含む): 317436240

約数和(自身を除く): 115564071

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 131171, 393513, 1180539, 2492249, 3541617, 7476747, 10624851, 22430241, 67290723, 201872169]

約数ペア:

[(1, 201872169), (3, 67290723), (9, 22430241), (19, 10624851), (27, 7476747), (57, 3541617), (81, 2492249), (171, 1180539), (513, 393513), (1539, 131171)]