201748995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213491}}^1$

素因数の和:213512

約数の個数: 32

約数和(自身を含む): 409904640

約数和(自身を除く): 208155645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213491, 640473, 1067455, 1494437, 1921419, 3202365, 4483311, 5764257, 7472185, 9607095, 13449933, 22416555, 28821285, 40349799, 67249665, 201748995]

約数ペア:

[(1, 201748995), (3, 67249665), (5, 40349799), (7, 28821285), (9, 22416555), (15, 13449933), (21, 9607095), (27, 7472185), (35, 5764257), (45, 4483311), (63, 3202365), (105, 1921419), (135, 1494437), (189, 1067455), (315, 640473), (945, 213491)]