51778845

素因数分解:

$3^4\times 5^1\times {\mathrm{127849}}^1$

素因数の和:127866

約数の個数: 20

約数和(自身を含む): 92819100

約数和(自身を除く): 41040255

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 127849, 383547, 639245, 1150641, 1917735, 3451923, 5753205, 10355769, 17259615, 51778845]

約数ペア:

[(1, 51778845), (3, 17259615), (5, 10355769), (9, 5753205), (15, 3451923), (27, 1917735), (45, 1150641), (81, 639245), (135, 383547), (405, 127849)]