18308291247

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{601}}^1\times {\mathrm{5297}}^1$

素因数の和:5981

約数の個数: 40

約数和(自身を含む): 27786017952

約数和(自身を除く): 9477726705

約数列:

[1, 3, 9, 27, 71, 81, 213, 601, 639, 1803, 1917, 5297, 5409, 5751, 15891, 16227, 42671, 47673, 48681, 128013, 143019, 376087, 384039, 429057, 1128261, 1152117, 3183497, 3384783, 3456351, 9550491, 10154349, 28651473, 30463047, 85954419, 226028287, 257863257, 678084861, 2034254583, 6102763749, 18308291247]

約数ペア:

[(1, 18308291247), (3, 6102763749), (9, 2034254583), (27, 678084861), (71, 257863257), (81, 226028287), (213, 85954419), (601, 30463047), (639, 28651473), (1803, 10154349), (1917, 9550491), (5297, 3456351), (5409, 3384783), (5751, 3183497), (15891, 1152117), (16227, 1128261), (42671, 429057), (47673, 384039), (48681, 376087), (128013, 143019)]