81759051

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 135757440

約数和(自身を除く): 53998389

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 219, 243, 297, 419, 657, 803, 891, 1257, 1971, 2409, 2673, 3771, 4609, 5913, 7227, 11313, 13827, 17739, 21681, 30587, 33939, 41481, 65043, 91761, 101817, 124443, 195129, 275283, 336457, 373329, 825849, 1009371, 1119987, 2477547, 3028113, 7432641, 9084339, 27253017, 81759051]

約数ペア:

[(1, 81759051), (3, 27253017), (9, 9084339), (11, 7432641), (27, 3028113), (33, 2477547), (73, 1119987), (81, 1009371), (99, 825849), (219, 373329), (243, 336457), (297, 275283), (419, 195129), (657, 124443), (803, 101817), (891, 91761), (1257, 65043), (1971, 41481), (2409, 33939), (2673, 30587), (3771, 21681), (4609, 17739), (5913, 13827), (7227, 11313)]