66681783

素因数分解:

$3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1049}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 110292000

約数和(自身を除く): 43610217

約数列:

[1, 3, 7, 9, 21, 63, 1009, 1049, 3027, 3147, 7063, 7343, 9081, 9441, 21189, 22029, 63567, 66087, 1058441, 3175323, 7409087, 9525969, 22227261, 66681783]

約数ペア:

[(1, 66681783), (3, 22227261), (7, 9525969), (9, 7409087), (21, 3175323), (63, 1058441), (1009, 66087), (1049, 63567), (3027, 22029), (3147, 21189), (7063, 9441), (7343, 9081)]