16639886907

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{20011}}^1$

素因数の和:20288

約数の個数: 48

約数和(自身を含む): 28021923072

約数和(自身を除く): 11382036165

約数列:

[1, 3, 7, 9, 21, 63, 67, 197, 201, 469, 591, 603, 1379, 1407, 1773, 4137, 4221, 12411, 13199, 20011, 39597, 60033, 92393, 118791, 140077, 180099, 277179, 420231, 831537, 1260693, 1340737, 3942167, 4022211, 9385159, 11826501, 12066633, 27595169, 28155477, 35479503, 82785507, 84466431, 248356521, 264125189, 792375567, 1848876323, 2377126701, 5546628969, 16639886907]

約数ペア:

[(1, 16639886907), (3, 5546628969), (7, 2377126701), (9, 1848876323), (21, 792375567), (63, 264125189), (67, 248356521), (197, 84466431), (201, 82785507), (469, 35479503), (591, 28155477), (603, 27595169), (1379, 12066633), (1407, 11826501), (1773, 9385159), (4137, 4022211), (4221, 3942167), (12411, 1340737), (13199, 1260693), (20011, 831537), (39597, 420231), (60033, 277179), (92393, 180099), (118791, 140077)]