38973987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3060

約数の個数: 32

約数和(自身を含む): 63882560

約数和(自身を除く): 24908573

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 3001, 4329, 9003, 12987, 27009, 39013, 81027, 111037, 117039, 333111, 351117, 999333, 1053351, 1443481, 2997999, 4330443, 12991329, 38973987]

約数ペア:

[(1, 38973987), (3, 12991329), (9, 4330443), (13, 2997999), (27, 1443481), (37, 1053351), (39, 999333), (111, 351117), (117, 333111), (333, 117039), (351, 111037), (481, 81027), (999, 39013), (1443, 27009), (3001, 12987), (4329, 9003)]