31989159

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{6719}}^1$

素因数の和:6771

約数の個数: 18

約数和(自身を含む): 48310080

約数和(自身を除く): 16320921

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 6719, 20157, 60471, 154537, 463611, 1390833, 3554351, 10663053, 31989159]

約数ペア:

[(1, 31989159), (3, 10663053), (9, 3554351), (23, 1390833), (69, 463611), (207, 154537), (529, 60471), (1587, 20157), (4761, 6719)]