66129273

素因数分解:

$3^2\times 7^2\times {\mathrm{149953}}^1$

素因数の和:149973

約数の個数: 18

約数和(自身を含む): 111115914

約数和(自身を除く): 44986641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 149953, 449859, 1049671, 1349577, 3149013, 7347697, 9447039, 22043091, 66129273]

約数ペア:

[(1, 66129273), (3, 22043091), (7, 9447039), (9, 7347697), (21, 3149013), (49, 1349577), (63, 1049671), (147, 449859), (441, 149953)]