291267387

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 447988800

約数和(自身を除く): 156721413

約数列:

[1, 3, 9, 27, 29, 87, 261, 397, 783, 937, 1191, 2811, 3573, 8433, 10719, 11513, 25299, 27173, 34539, 81519, 103617, 244557, 310851, 371989, 733671, 1115967, 3347901, 10043703, 10787681, 32363043, 97089129, 291267387]

約数ペア:

[(1, 291267387), (3, 97089129), (9, 32363043), (27, 10787681), (29, 10043703), (87, 3347901), (261, 1115967), (397, 733671), (783, 371989), (937, 310851), (1191, 244557), (2811, 103617), (3573, 81519), (8433, 34539), (10719, 27173), (11513, 25299)]