29973969

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2526

約数の個数: 20

約数和(自身を含む): 45080244

約数和(自身を除く): 15106275

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 2357, 4239, 7071, 12717, 21213, 63639, 190917, 370049, 1110147, 3330441, 9991323, 29973969]

約数ペア:

[(1, 29973969), (3, 9991323), (9, 3330441), (27, 1110147), (81, 370049), (157, 190917), (471, 63639), (1413, 21213), (2357, 12717), (4239, 7071)]