13405581

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 23923584

約数和(自身を除く): 10518003

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 81, 111, 189, 213, 243, 259, 333, 497, 567, 639, 729, 777, 999, 1491, 1701, 1917, 2331, 2627, 2997, 4473, 5103, 5751, 6993, 7881, 8991, 13419, 17253, 18389, 20979, 23643, 26973, 40257, 51759, 55167, 62937, 70929, 120771, 165501, 188811, 212787, 362313, 496503, 638361, 1489509, 1915083, 4468527, 13405581]

約数ペア:

[(1, 13405581), (3, 4468527), (7, 1915083), (9, 1489509), (21, 638361), (27, 496503), (37, 362313), (63, 212787), (71, 188811), (81, 165501), (111, 120771), (189, 70929), (213, 62937), (243, 55167), (259, 51759), (333, 40257), (497, 26973), (567, 23643), (639, 20979), (729, 18389), (777, 17253), (999, 13419), (1491, 8991), (1701, 7881), (1917, 6993), (2331, 5751), (2627, 5103), (2997, 4473)]