291227913

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{21191}}^1$

素因数の和:21709

約数の個数: 16

約数和(自身を含む): 432316800

約数和(自身を除く): 141088887

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 21191, 63573, 190719, 572157, 10786219, 32358657, 97075971, 291227913]

約数ペア:

[(1, 291227913), (3, 97075971), (9, 32358657), (27, 10786219), (509, 572157), (1527, 190719), (4581, 63573), (13743, 21191)]