128188845

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 238464000

約数和(自身を除く): 110275155

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 137, 145, 239, 261, 411, 435, 685, 717, 783, 1195, 1233, 1305, 2055, 2151, 3585, 3699, 3915, 3973, 6165, 6453, 6931, 10755, 11919, 18495, 19865, 20793, 32265, 32743, 34655, 35757, 59595, 62379, 98229, 103965, 107271, 163715, 178785, 187137, 294687, 311895, 491145, 536355, 884061, 935685, 949547, 1473435, 2848641, 4420305, 4747735, 8545923, 14243205, 25637769, 42729615, 128188845]

約数ペア:

[(1, 128188845), (3, 42729615), (5, 25637769), (9, 14243205), (15, 8545923), (27, 4747735), (29, 4420305), (45, 2848641), (87, 1473435), (135, 949547), (137, 935685), (145, 884061), (239, 536355), (261, 491145), (411, 311895), (435, 294687), (685, 187137), (717, 178785), (783, 163715), (1195, 107271), (1233, 103965), (1305, 98229), (2055, 62379), (2151, 59595), (3585, 35757), (3699, 34655), (3915, 32743), (3973, 32265), (6165, 20793), (6453, 19865), (6931, 18495), (10755, 11919)]