27939660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66523}}^1$

素因数の和:66542

約数の個数: 48

約数和(自身を含む): 89408256

約数和(自身を除く): 61468596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66523, 133046, 199569, 266092, 332615, 399138, 465661, 665230, 798276, 931322, 997845, 1330460, 1396983, 1862644, 1995690, 2328305, 2793966, 3991380, 4656610, 5587932, 6984915, 9313220, 13969830, 27939660]

約数ペア:

[(1, 27939660), (2, 13969830), (3, 9313220), (4, 6984915), (5, 5587932), (6, 4656610), (7, 3991380), (10, 2793966), (12, 2328305), (14, 1995690), (15, 1862644), (20, 1396983), (21, 1330460), (28, 997845), (30, 931322), (35, 798276), (42, 665230), (60, 465661), (70, 399138), (84, 332615), (105, 266092), (140, 199569), (210, 133046), (420, 66523)]