311157171

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 519757056

約数和(自身を除く): 208599885

約数列:

[1, 3, 9, 13, 17, 39, 51, 73, 117, 153, 219, 221, 657, 663, 949, 1241, 1989, 2143, 2847, 3723, 6429, 8541, 11169, 16133, 19287, 27859, 36431, 48399, 83577, 109293, 145197, 156439, 250731, 327879, 469317, 473603, 1407951, 1420809, 2033707, 2659463, 4262427, 6101121, 7978389, 18303363, 23935167, 34573019, 103719057, 311157171]

約数ペア:

[(1, 311157171), (3, 103719057), (9, 34573019), (13, 23935167), (17, 18303363), (39, 7978389), (51, 6101121), (73, 4262427), (117, 2659463), (153, 2033707), (219, 1420809), (221, 1407951), (657, 473603), (663, 469317), (949, 327879), (1241, 250731), (1989, 156439), (2143, 145197), (2847, 109293), (3723, 83577), (6429, 48399), (8541, 36431), (11169, 27859), (16133, 19287)]