1556555859

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{3929}}^1$

素因数の和:4081

約数の個数: 40

約数和(自身を含む): 2392866960

約数和(自身を除く): 836311101

約数列:

[1, 3, 9, 27, 67, 73, 81, 201, 219, 603, 657, 1809, 1971, 3929, 4891, 5427, 5913, 11787, 14673, 35361, 44019, 106083, 132057, 263243, 286817, 318249, 396171, 789729, 860451, 2369187, 2581353, 7107561, 7744059, 19216739, 21322683, 23232177, 57650217, 172950651, 518851953, 1556555859]

約数ペア:

[(1, 1556555859), (3, 518851953), (9, 172950651), (27, 57650217), (67, 23232177), (73, 21322683), (81, 19216739), (201, 7744059), (219, 7107561), (603, 2581353), (657, 2369187), (1809, 860451), (1971, 789729), (3929, 396171), (4891, 318249), (5427, 286817), (5913, 263243), (11787, 132057), (14673, 106083), (35361, 44019)]