16880805

素因数分解:

$3^4\times 5^1\times {\mathrm{41681}}^1$

素因数の和:41698

約数の個数: 20

約数和(自身を含む): 30261132

約数和(自身を除く): 13380327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41681, 125043, 208405, 375129, 625215, 1125387, 1875645, 3376161, 5626935, 16880805]

約数ペア:

[(1, 16880805), (3, 5626935), (5, 3376161), (9, 1875645), (15, 1125387), (27, 625215), (45, 375129), (81, 208405), (135, 125043), (405, 41681)]