1987710561

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{7433}}^1$

素因数の和:8173

約数の個数: 24

約数和(自身を含む): 2942555616

約数和(自身を除く): 954845055

約数列:

[1, 3, 9, 43, 129, 387, 691, 2073, 6219, 7433, 22299, 29713, 66897, 89139, 267417, 319619, 958857, 2876571, 5136203, 15408609, 46225827, 220856729, 662570187, 1987710561]

約数ペア:

[(1, 1987710561), (3, 662570187), (9, 220856729), (43, 46225827), (129, 15408609), (387, 5136203), (691, 2876571), (2073, 958857), (6219, 319619), (7433, 267417), (22299, 89139), (29713, 66897)]