56047545

素因数分解:

$3^4\times 5^1\times {\mathrm{138389}}^1$

素因数の和:138406

約数の個数: 20

約数和(自身を含む): 100471140

約数和(自身を除く): 44423595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 138389, 415167, 691945, 1245501, 2075835, 3736503, 6227505, 11209509, 18682515, 56047545]

約数ペア:

[(1, 56047545), (3, 18682515), (5, 11209509), (9, 6227505), (15, 3736503), (27, 2075835), (45, 1245501), (81, 691945), (135, 415167), (405, 138389)]