24980805

素因数分解:

$3^4\times 5^1\times {\mathrm{61681}}^1$

素因数の和:61698

約数の個数: 20

約数和(自身を含む): 44781132

約数和(自身を除く): 19800327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61681, 185043, 308405, 555129, 925215, 1665387, 2775645, 4996161, 8326935, 24980805]

約数ペア:

[(1, 24980805), (3, 8326935), (5, 4996161), (9, 2775645), (15, 1665387), (27, 925215), (45, 555129), (81, 308405), (135, 185043), (405, 61681)]