24138405

素因数分解:

$3^5\times 5^1\times {\mathrm{19867}}^1$

素因数の和:19887

約数の個数: 24

約数和(自身を含む): 43391712

約数和(自身を除く): 19253307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 19867, 59601, 99335, 178803, 298005, 536409, 894015, 1609227, 2682045, 4827681, 8046135, 24138405]

約数ペア:

[(1, 24138405), (3, 8046135), (5, 4827681), (9, 2682045), (15, 1609227), (27, 894015), (45, 536409), (81, 298005), (135, 178803), (243, 99335), (405, 59601), (1215, 19867)]