31470417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 24931503

約数列:

[1, 3, 9, 11, 17, 23, 27, 33, 51, 69, 99, 153, 187, 207, 253, 271, 297, 391, 459, 561, 621, 759, 813, 1173, 1683, 2277, 2439, 2981, 3519, 4301, 4607, 5049, 6233, 6831, 7317, 8943, 10557, 12903, 13821, 18699, 26829, 38709, 41463, 50677, 56097, 68563, 80487, 105961, 116127, 124389, 152031, 168291, 205689, 317883, 456093, 617067, 953649, 1165571, 1368279, 1851201, 2860947, 3496713, 10490139, 31470417]

約数ペア:

[(1, 31470417), (3, 10490139), (9, 3496713), (11, 2860947), (17, 1851201), (23, 1368279), (27, 1165571), (33, 953649), (51, 617067), (69, 456093), (99, 317883), (153, 205689), (187, 168291), (207, 152031), (253, 124389), (271, 116127), (297, 105961), (391, 80487), (459, 68563), (561, 56097), (621, 50677), (759, 41463), (813, 38709), (1173, 26829), (1683, 18699), (2277, 13821), (2439, 12903), (2981, 10557), (3519, 8943), (4301, 7317), (4607, 6831), (5049, 6233)]