15380685

素因数分解:

$3^5\times 5^1\times {\mathrm{12659}}^1$

素因数の和:12679

約数の個数: 24

約数和(自身を含む): 27649440

約数和(自身を除く): 12268755

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 12659, 37977, 63295, 113931, 189885, 341793, 569655, 1025379, 1708965, 3076137, 5126895, 15380685]

約数ペア:

[(1, 15380685), (3, 5126895), (5, 3076137), (9, 1708965), (15, 1025379), (27, 569655), (45, 341793), (81, 189885), (135, 113931), (243, 63295), (405, 37977), (1215, 12659)]