42156405

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 76121136

約数和(自身を除く): 33964731

約数列:

[1, 3, 5, 9, 15, 41, 45, 73, 123, 205, 219, 313, 365, 369, 615, 657, 939, 1095, 1565, 1845, 2817, 2993, 3285, 4695, 8979, 12833, 14085, 14965, 22849, 26937, 38499, 44895, 64165, 68547, 114245, 115497, 134685, 192495, 205641, 342735, 577485, 936809, 1028205, 2810427, 4684045, 8431281, 14052135, 42156405]

約数ペア:

[(1, 42156405), (3, 14052135), (5, 8431281), (9, 4684045), (15, 2810427), (41, 1028205), (45, 936809), (73, 577485), (123, 342735), (205, 205641), (219, 192495), (313, 134685), (365, 115497), (369, 114245), (615, 68547), (657, 64165), (939, 44895), (1095, 38499), (1565, 26937), (1845, 22849), (2817, 14965), (2993, 14085), (3285, 12833), (4695, 8979)]