40216743

素因数分解:

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

素因数の和:136

約数の個数: 64

約数和(自身を含む): 71792640

約数和(自身を除く): 31575897

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, 2187, 2331, 2627, 2997, 4473, 5103, 5751, 6993, 7881, 8991, 13419, 15309, 17253, 18389, 20979, 23643, 26973, 40257, 51759, 55167, 62937, 70929, 80919, 120771, 155277, 165501, 188811, 212787, 362313, 496503, 566433, 638361, 1086939, 1489509, 1915083, 4468527, 5745249, 13405581, 40216743]

約数ペア:

[(1, 40216743), (3, 13405581), (7, 5745249), (9, 4468527), (21, 1915083), (27, 1489509), (37, 1086939), (63, 638361), (71, 566433), (81, 496503), (111, 362313), (189, 212787), (213, 188811), (243, 165501), (259, 155277), (333, 120771), (497, 80919), (567, 70929), (639, 62937), (729, 55167), (777, 51759), (999, 40257), (1491, 26973), (1701, 23643), (1917, 20979), (2187, 18389), (2331, 17253), (2627, 15309), (2997, 13419), (4473, 8991), (5103, 7881), (5751, 6993)]