42123315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 72910656

約数和(自身を除く): 30787341

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 337, 641, 1011, 1685, 1923, 3205, 4381, 5055, 8333, 9615, 13143, 21905, 24999, 41665, 65715, 124995, 216017, 648051, 1080085, 2808221, 3240255, 8424663, 14041105, 42123315]

約数ペア:

[(1, 42123315), (3, 14041105), (5, 8424663), (13, 3240255), (15, 2808221), (39, 1080085), (65, 648051), (195, 216017), (337, 124995), (641, 65715), (1011, 41665), (1685, 24999), (1923, 21905), (3205, 13143), (4381, 9615), (5055, 8333)]