28637931

素因数分解:

$3^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1657}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 43718144

約数和(自身を除く): 15080213

約数列:

[1, 3, 7, 21, 823, 1657, 2469, 4971, 5761, 11599, 17283, 34797, 1363711, 4091133, 9545977, 28637931]

約数ペア:

[(1, 28637931), (3, 9545977), (7, 4091133), (21, 1363711), (823, 34797), (1657, 17283), (2469, 11599), (4971, 5761)]