66718965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261643}}^1$

素因数の和:261668

約数の個数: 16

約数和(自身を含む): 113030208

約数和(自身を除く): 46311243

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 261643, 784929, 1308215, 3924645, 4447931, 13343793, 22239655, 66718965]

約数ペア:

[(1, 66718965), (3, 22239655), (5, 13343793), (15, 4447931), (17, 3924645), (51, 1308215), (85, 784929), (255, 261643)]