156988821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{24907}}^1$

素因数の和:25112

約数の個数: 16

約数和(自身を含む): 229552128

約数和(自身を除く): 72563307

約数列:

[1, 3, 11, 33, 191, 573, 2101, 6303, 24907, 74721, 273977, 821931, 4757237, 14271711, 52329607, 156988821]

約数ペア:

[(1, 156988821), (3, 52329607), (11, 14271711), (33, 4757237), (191, 821931), (573, 273977), (2101, 74721), (6303, 24907)]