156905385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 313528320

約数和(自身を除く): 156622935

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 71, 91, 105, 195, 213, 273, 355, 455, 497, 923, 1065, 1365, 1491, 1619, 2485, 2769, 4615, 4857, 6461, 7455, 8095, 11333, 13845, 19383, 21047, 24285, 32305, 33999, 56665, 63141, 96915, 105235, 114949, 147329, 169995, 315705, 344847, 441987, 574745, 736645, 804643, 1494337, 1724235, 2209935, 2413929, 4023215, 4483011, 7471685, 10460359, 12069645, 22415055, 31381077, 52301795, 156905385]

約数ペア:

[(1, 156905385), (3, 52301795), (5, 31381077), (7, 22415055), (13, 12069645), (15, 10460359), (21, 7471685), (35, 4483011), (39, 4023215), (65, 2413929), (71, 2209935), (91, 1724235), (105, 1494337), (195, 804643), (213, 736645), (273, 574745), (355, 441987), (455, 344847), (497, 315705), (923, 169995), (1065, 147329), (1365, 114949), (1491, 105235), (1619, 96915), (2485, 63141), (2769, 56665), (4615, 33999), (4857, 32305), (6461, 24285), (7455, 21047), (8095, 19383), (11333, 13845)]