187951779

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1511}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 296110080

約数和(自身を除く): 108158301

約数列:

[1, 3, 9, 17, 27, 51, 153, 271, 459, 813, 1511, 2439, 4533, 4607, 7317, 13599, 13821, 25687, 40797, 41463, 77061, 124389, 231183, 409481, 693549, 1228443, 3685329, 6961177, 11055987, 20883531, 62650593, 187951779]

約数ペア:

[(1, 187951779), (3, 62650593), (9, 20883531), (17, 11055987), (27, 6961177), (51, 3685329), (153, 1228443), (271, 693549), (459, 409481), (813, 231183), (1511, 124389), (2439, 77061), (4533, 41463), (4607, 40797), (7317, 25687), (13599, 13821)]