278311869

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10771}}^1$

素因数の和:10823

約数の個数: 40

約数和(自身を含む): 469228320

約数和(自身を除く): 190916451

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 783, 891, 957, 2349, 2871, 8613, 10771, 25839, 32313, 96939, 118481, 290817, 312359, 355443, 872451, 937077, 1066329, 2811231, 3198987, 3435949, 8433693, 9596961, 10307847, 25301079, 30923541, 92770623, 278311869]

約数ペア:

[(1, 278311869), (3, 92770623), (9, 30923541), (11, 25301079), (27, 10307847), (29, 9596961), (33, 8433693), (81, 3435949), (87, 3198987), (99, 2811231), (261, 1066329), (297, 937077), (319, 872451), (783, 355443), (891, 312359), (957, 290817), (2349, 118481), (2871, 96939), (8613, 32313), (10771, 25839)]