68030781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 116300160

約数和(自身を除く): 48269379

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 169, 203, 273, 377, 507, 609, 661, 1131, 1183, 1983, 2639, 3549, 4627, 4901, 7917, 8593, 13881, 14703, 19169, 25779, 34307, 57507, 60151, 102921, 111709, 134183, 180453, 249197, 335127, 402549, 747591, 781963, 1744379, 2345889, 3239561, 5233137, 9718683, 22676927, 68030781]

約数ペア:

[(1, 68030781), (3, 22676927), (7, 9718683), (13, 5233137), (21, 3239561), (29, 2345889), (39, 1744379), (87, 781963), (91, 747591), (169, 402549), (203, 335127), (273, 249197), (377, 180453), (507, 134183), (609, 111709), (661, 102921), (1131, 60151), (1183, 57507), (1983, 34307), (2639, 25779), (3549, 19169), (4627, 14703), (4901, 13881), (7917, 8593)]