27958770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{4931}}^1$

素因数の和:4957

約数の個数: 80

約数和(自身を含む): 85935168

約数和(自身を除く): 57976398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 4931, 5670, 9862, 14793, 24655, 29586, 34517, 44379, 49310, 69034, 73965, 88758, 103551, 133137, 147930, 172585, 207102, 221895, 266274, 310653, 345170, 399411, 443790, 517755, 621306, 665685, 798822, 931959, 1035510, 1331370, 1553265, 1863918, 1997055, 2795877, 3106530, 3994110, 4659795, 5591754, 9319590, 13979385, 27958770]

約数ペア:

[(1, 27958770), (2, 13979385), (3, 9319590), (5, 5591754), (6, 4659795), (7, 3994110), (9, 3106530), (10, 2795877), (14, 1997055), (15, 1863918), (18, 1553265), (21, 1331370), (27, 1035510), (30, 931959), (35, 798822), (42, 665685), (45, 621306), (54, 517755), (63, 443790), (70, 399411), (81, 345170), (90, 310653), (105, 266274), (126, 221895), (135, 207102), (162, 172585), (189, 147930), (210, 133137), (270, 103551), (315, 88758), (378, 73965), (405, 69034), (567, 49310), (630, 44379), (810, 34517), (945, 29586), (1134, 24655), (1890, 14793), (2835, 9862), (4931, 5670)]