15691781427

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{863}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 25436160000

約数和(自身を除く): 9744378573

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 229, 399, 597, 687, 863, 1393, 1603, 2589, 3781, 4179, 4351, 4809, 6041, 11343, 13053, 16397, 18123, 26467, 30457, 45571, 49191, 79401, 91371, 114779, 136713, 171737, 197627, 318997, 344337, 515211, 592881, 865849, 956991, 1202159, 1383389, 2597547, 3263003, 3606477, 3754913, 4150167, 6060943, 9789009, 11264739, 18182829, 22841021, 26284391, 39327773, 68523063, 78853173, 117983319, 275294411, 747227687, 825883233, 2241683061, 5230593809, 15691781427]

約数ペア:

[(1, 15691781427), (3, 5230593809), (7, 2241683061), (19, 825883233), (21, 747227687), (57, 275294411), (133, 117983319), (199, 78853173), (229, 68523063), (399, 39327773), (597, 26284391), (687, 22841021), (863, 18182829), (1393, 11264739), (1603, 9789009), (2589, 6060943), (3781, 4150167), (4179, 3754913), (4351, 3606477), (4809, 3263003), (6041, 2597547), (11343, 1383389), (13053, 1202159), (16397, 956991), (18123, 865849), (26467, 592881), (30457, 515211), (45571, 344337), (49191, 318997), (79401, 197627), (91371, 171737), (114779, 136713)]