16345971

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 24470784

約数和(自身を除く): 8124813

約数列:

[1, 3, 9, 37, 111, 191, 257, 333, 573, 771, 1719, 2313, 7067, 9509, 21201, 28527, 49087, 63603, 85581, 147261, 441783, 1816219, 5448657, 16345971]

約数ペア:

[(1, 16345971), (3, 5448657), (9, 1816219), (37, 441783), (111, 147261), (191, 85581), (257, 63603), (333, 49087), (573, 28527), (771, 21201), (1719, 9509), (2313, 7067)]