66475017

素因数分解:

$3^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 112288176

約数和(自身を除く): 45813159

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 307, 441, 491, 921, 1473, 2149, 2763, 3437, 4419, 6447, 10311, 15043, 19341, 24059, 30933, 45129, 72177, 135387, 150737, 216531, 452211, 1055159, 1356633, 3165477, 7386113, 9496431, 22158339, 66475017]

約数ペア:

[(1, 66475017), (3, 22158339), (7, 9496431), (9, 7386113), (21, 3165477), (49, 1356633), (63, 1055159), (147, 452211), (307, 216531), (441, 150737), (491, 135387), (921, 72177), (1473, 45129), (2149, 30933), (2763, 24059), (3437, 19341), (4419, 15043), (6447, 10311)]