243850215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{331769}}^1$

素因数の和:331791

約数の個数: 24

約数和(自身を含む): 453861360

約数和(自身を除く): 210011145

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 331769, 995307, 1658845, 2322383, 4976535, 6967149, 11611915, 16256681, 34835745, 48770043, 81283405, 243850215]

約数ペア:

[(1, 243850215), (3, 81283405), (5, 48770043), (7, 34835745), (15, 16256681), (21, 11611915), (35, 6967149), (49, 4976535), (105, 2322383), (147, 1658845), (245, 995307), (735, 331769)]