2489790723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{152197}}^1$

素因数の和:152267

約数の個数: 32

約数和(自身を含む): 4091082240

約数和(自身を除く): 1601291517

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 152197, 456591, 1065379, 2891743, 3196137, 6240077, 8675229, 18720231, 20242201, 43680539, 60726603, 118561463, 131041617, 355684389, 829930241, 2489790723]

約数ペア:

[(1, 2489790723), (3, 829930241), (7, 355684389), (19, 131041617), (21, 118561463), (41, 60726603), (57, 43680539), (123, 20242201), (133, 18720231), (287, 8675229), (399, 6240077), (779, 3196137), (861, 2891743), (2337, 1065379), (5453, 456591), (16359, 152197)]