28852767

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 45476640

約数和(自身を除く): 16623873

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 173, 213, 261, 519, 639, 783, 1557, 1917, 2059, 2349, 4671, 5017, 5751, 6177, 12283, 14013, 15051, 18531, 36849, 45153, 55593, 110547, 135459, 166779, 331641, 356207, 406377, 994923, 1068621, 3205863, 9617589, 28852767]

約数ペア:

[(1, 28852767), (3, 9617589), (9, 3205863), (27, 1068621), (29, 994923), (71, 406377), (81, 356207), (87, 331641), (173, 166779), (213, 135459), (261, 110547), (519, 55593), (639, 45153), (783, 36849), (1557, 18531), (1917, 15051), (2059, 14013), (2349, 12283), (4671, 6177), (5017, 5751)]