31721163

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1213}}^1$

素因数の和:1618

約数の個数: 16

約数和(自身を含む): 44286720

約数和(自身を除く): 12565557

約数列:

[1, 3, 23, 69, 379, 1137, 1213, 3639, 8717, 26151, 27899, 83697, 459727, 1379181, 10573721, 31721163]

約数ペア:

[(1, 31721163), (3, 10573721), (23, 1379181), (69, 459727), (379, 83697), (1137, 27899), (1213, 26151), (3639, 8717)]