31579713

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 54601008

約数和(自身を除く): 23021295

約数列:

[1, 3, 9, 11, 23, 27, 33, 67, 69, 81, 99, 201, 207, 253, 297, 529, 603, 621, 737, 759, 891, 1541, 1587, 1809, 1863, 2211, 2277, 4623, 4761, 5427, 5819, 6633, 6831, 13869, 14283, 16951, 17457, 19899, 20493, 35443, 41607, 42849, 50853, 52371, 59697, 106329, 124821, 152559, 157113, 318987, 389873, 457677, 471339, 956961, 1169619, 1373031, 2870883, 3508857, 10526571, 31579713]

約数ペア:

[(1, 31579713), (3, 10526571), (9, 3508857), (11, 2870883), (23, 1373031), (27, 1169619), (33, 956961), (67, 471339), (69, 457677), (81, 389873), (99, 318987), (201, 157113), (207, 152559), (253, 124821), (297, 106329), (529, 59697), (603, 52371), (621, 50853), (737, 42849), (759, 41607), (891, 35443), (1541, 20493), (1587, 19899), (1809, 17457), (1863, 16951), (2211, 14283), (2277, 13869), (4623, 6831), (4761, 6633), (5427, 5819)]