27778817

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 33005280

約数和(自身を除く): 5226463

約数列:

[1, 11, 19, 43, 121, 209, 281, 473, 817, 2299, 3091, 5203, 5339, 8987, 12083, 34001, 58729, 98857, 132913, 229577, 646019, 1462043, 2525347, 27778817]

約数ペア:

[(1, 27778817), (11, 2525347), (19, 1462043), (43, 646019), (121, 229577), (209, 132913), (281, 98857), (473, 58729), (817, 34001), (2299, 12083), (3091, 8987), (5203, 5339)]