16381815

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1327}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 26262528

約数和(自身を除く): 9880713

約数列:

[1, 3, 5, 15, 823, 1327, 2469, 3981, 4115, 6635, 12345, 19905, 1092121, 3276363, 5460605, 16381815]

約数ペア:

[(1, 16381815), (3, 5460605), (5, 3276363), (15, 1092121), (823, 19905), (1327, 12345), (2469, 6635), (3981, 4115)]