28943061

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 49512960

約数和(自身を除く): 20569899

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 251, 289, 323, 357, 399, 753, 867, 969, 1757, 2023, 2261, 4267, 4769, 5271, 5491, 6069, 6783, 12801, 14307, 16473, 29869, 33383, 38437, 72539, 81073, 89607, 100149, 115311, 217617, 243219, 507773, 567511, 1378241, 1523319, 1702533, 4134723, 9647687, 28943061]

約数ペア:

[(1, 28943061), (3, 9647687), (7, 4134723), (17, 1702533), (19, 1523319), (21, 1378241), (51, 567511), (57, 507773), (119, 243219), (133, 217617), (251, 115311), (289, 100149), (323, 89607), (357, 81073), (399, 72539), (753, 38437), (867, 33383), (969, 29869), (1757, 16473), (2023, 14307), (2261, 12801), (4267, 6783), (4769, 6069), (5271, 5491)]