201668541

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{4157}}^1$

素因数の和:4420

約数の個数: 16

約数和(自身を含む): 273297024

約数和(自身を除く): 71628483

約数列:

[1, 3, 103, 157, 309, 471, 4157, 12471, 16171, 48513, 428171, 652649, 1284513, 1957947, 67222847, 201668541]

約数ペア:

[(1, 201668541), (3, 67222847), (103, 1957947), (157, 1284513), (309, 652649), (471, 428171), (4157, 48513), (12471, 16171)]