30331581

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 48792384

約数和(自身を除く): 18460803

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 4001, 7581, 12003, 28007, 76019, 84021, 228057, 532133, 1444361, 1596399, 4333083, 10110527, 30331581]

約数ペア:

[(1, 30331581), (3, 10110527), (7, 4333083), (19, 1596399), (21, 1444361), (57, 532133), (133, 228057), (361, 84021), (399, 76019), (1083, 28007), (2527, 12003), (4001, 7581)]