90020187

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 138885120

約数和(自身を除く): 48864933

約数列:

[1, 3, 9, 27, 31, 93, 131, 279, 393, 821, 837, 1179, 2463, 3537, 4061, 7389, 12183, 22167, 25451, 36549, 76353, 107551, 109647, 229059, 322653, 687177, 967959, 2903877, 3334081, 10002243, 30006729, 90020187]

約数ペア:

[(1, 90020187), (3, 30006729), (9, 10002243), (27, 3334081), (31, 2903877), (93, 967959), (131, 687177), (279, 322653), (393, 229059), (821, 109647), (837, 107551), (1179, 76353), (2463, 36549), (3537, 25451), (4061, 22167), (7389, 12183)]