201972099

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{557}}^2$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 318266368

約数和(自身を除く): 116294269

約数列:

[1, 3, 7, 21, 31, 93, 217, 557, 651, 1671, 3899, 11697, 17267, 51801, 120869, 310249, 362607, 930747, 2171743, 6515229, 9617719, 28853157, 67324033, 201972099]

約数ペア:

[(1, 201972099), (3, 67324033), (7, 28853157), (21, 9617719), (31, 6515229), (93, 2171743), (217, 930747), (557, 362607), (651, 310249), (1671, 120869), (3899, 51801), (11697, 17267)]