261875601

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{30661}}^1$

素因数の和:30753

約数の個数: 24

約数和(自身を含む): 412955816

約数和(自身を除く): 151080215

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 30661, 91983, 275949, 398593, 1195779, 2238253, 3587337, 6714759, 20144277, 29097289, 87291867, 261875601]

約数ペア:

[(1, 261875601), (3, 87291867), (9, 29097289), (13, 20144277), (39, 6714759), (73, 3587337), (117, 2238253), (219, 1195779), (657, 398593), (949, 275949), (2847, 91983), (8541, 30661)]