12931815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 24385536

約数和(自身を除く): 11453721

約数列:

[1, 3, 5, 13, 15, 17, 39, 47, 51, 65, 83, 85, 141, 195, 221, 235, 249, 255, 415, 611, 663, 705, 799, 1079, 1105, 1245, 1411, 1833, 2397, 3055, 3237, 3315, 3901, 3995, 4233, 5395, 7055, 9165, 10387, 11703, 11985, 16185, 18343, 19505, 21165, 31161, 50713, 51935, 55029, 58515, 66317, 91715, 152139, 155805, 198951, 253565, 275145, 331585, 760695, 862121, 994755, 2586363, 4310605, 12931815]

約数ペア:

[(1, 12931815), (3, 4310605), (5, 2586363), (13, 994755), (15, 862121), (17, 760695), (39, 331585), (47, 275145), (51, 253565), (65, 198951), (83, 155805), (85, 152139), (141, 91715), (195, 66317), (221, 58515), (235, 55029), (249, 51935), (255, 50713), (415, 31161), (611, 21165), (663, 19505), (705, 18343), (799, 16185), (1079, 11985), (1105, 11703), (1245, 10387), (1411, 9165), (1833, 7055), (2397, 5395), (3055, 4233), (3237, 3995), (3315, 3901)]