2019889515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2748149}}^1$

素因数の和:2748171

約数の個数: 24

約数和(自身を含む): 3759469200

約数和(自身を除く): 1739579685

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2748149, 8244447, 13740745, 19237043, 41222235, 57711129, 96185215, 134659301, 288555645, 403977903, 673296505, 2019889515]

約数ペア:

[(1, 2019889515), (3, 673296505), (5, 403977903), (7, 288555645), (15, 134659301), (21, 96185215), (35, 57711129), (49, 41222235), (105, 19237043), (147, 13740745), (245, 8244447), (735, 2748149)]