172821735

素因数分解:

$3^3\times 5^1\times {\mathrm{1280161}}^1$

素因数の和:1280175

約数の個数: 16

約数和(自身を含む): 307238880

約数和(自身を除く): 134417145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1280161, 3840483, 6400805, 11521449, 19202415, 34564347, 57607245, 172821735]

約数ペア:

[(1, 172821735), (3, 57607245), (5, 34564347), (9, 19202415), (15, 11521449), (27, 6400805), (45, 3840483), (135, 1280161)]