38971215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{29863}}^1$

素因数の和:29903

約数の個数: 24

約数和(自身を含む): 69881760

約数和(自身を除く): 30910545

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 29863, 89589, 149315, 268767, 447945, 866027, 1343835, 2598081, 4330135, 7794243, 12990405, 38971215]

約数ペア:

[(1, 38971215), (3, 12990405), (5, 7794243), (9, 4330135), (15, 2598081), (29, 1343835), (45, 866027), (87, 447945), (145, 268767), (261, 149315), (435, 89589), (1305, 29863)]