28886839299

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 43880417280

約数和(自身を除く): 14993577981

約数列:

[1, 3, 9, 27, 97, 157, 163, 291, 431, 471, 489, 873, 1293, 1413, 1467, 2619, 3879, 4239, 4401, 11637, 15229, 15811, 25591, 41807, 45687, 47433, 67667, 70253, 76773, 125421, 137061, 142299, 203001, 210759, 230319, 376263, 411183, 426897, 609003, 632277, 690957, 1128789, 1827009, 1896831, 2482327, 6563699, 6814541, 7446981, 11029721, 19691097, 20443623, 22340943, 33089163, 59073291, 61330869, 67022829, 99267489, 177219873, 183992607, 297802467, 1069882937, 3209648811, 9628946433, 28886839299]

約数ペア:

[(1, 28886839299), (3, 9628946433), (9, 3209648811), (27, 1069882937), (97, 297802467), (157, 183992607), (163, 177219873), (291, 99267489), (431, 67022829), (471, 61330869), (489, 59073291), (873, 33089163), (1293, 22340943), (1413, 20443623), (1467, 19691097), (2619, 11029721), (3879, 7446981), (4239, 6814541), (4401, 6563699), (11637, 2482327), (15229, 1896831), (15811, 1827009), (25591, 1128789), (41807, 690957), (45687, 632277), (47433, 609003), (67667, 426897), (70253, 411183), (76773, 376263), (125421, 230319), (137061, 210759), (142299, 203001)]