71898561

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12823}}^1$

素因数の和:12925

約数の個数: 24

約数和(自身を含む): 120032640

約数和(自身を除く): 48134079

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 12823, 38469, 89761, 115407, 269283, 807849, 1141247, 3423741, 7988729, 10271223, 23966187, 71898561]

約数ペア:

[(1, 71898561), (3, 23966187), (7, 10271223), (9, 7988729), (21, 3423741), (63, 1141247), (89, 807849), (267, 269283), (623, 115407), (801, 89761), (1869, 38469), (5607, 12823)]