31628979

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3251}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 48701952

約数和(自身を除く): 17072973

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 3251, 9729, 9753, 29259, 74773, 152797, 224319, 458391, 672957, 1375173, 3514331, 10542993, 31628979]

約数ペア:

[(1, 31628979), (3, 10542993), (9, 3514331), (23, 1375173), (47, 672957), (69, 458391), (141, 224319), (207, 152797), (423, 74773), (1081, 29259), (3243, 9753), (3251, 9729)]