16784415

素因数分解:

$3^4\times 5^1\times {\mathrm{41443}}^1$

素因数の和:41460

約数の個数: 20

約数和(自身を含む): 30088344

約数和(自身を除く): 13303929

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41443, 124329, 207215, 372987, 621645, 1118961, 1864935, 3356883, 5594805, 16784415]

約数ペア:

[(1, 16784415), (3, 5594805), (5, 3356883), (9, 1864935), (15, 1118961), (27, 621645), (45, 372987), (81, 207215), (135, 124329), (405, 41443)]