201672765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640231}}^1$

素因数の和:640249

約数の個数: 24

約数和(自身を含む): 399504768

約数和(自身を除く): 197832003

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640231, 1920693, 3201155, 4481617, 5762079, 9603465, 13444851, 22408085, 28810395, 40334553, 67224255, 201672765]

約数ペア:

[(1, 201672765), (3, 67224255), (5, 40334553), (7, 28810395), (9, 22408085), (15, 13444851), (21, 9603465), (35, 5762079), (45, 4481617), (63, 3201155), (105, 1920693), (315, 640231)]