320149921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{81817}}^1$

素因数の和:81880

約数の個数: 16

約数和(自身を含む): 403199104

約数和(自身を除く): 83049183

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 81817, 572719, 1063621, 3518131, 7445347, 24626917, 45735703, 320149921]

約数ペア:

[(1, 320149921), (7, 45735703), (13, 24626917), (43, 7445347), (91, 3518131), (301, 1063621), (559, 572719), (3913, 81817)]