27921180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9497}}^1$

素因数の和:9523

約数の個数: 72

約数和(自身を含む): 90952848

約数和(自身を除く): 63031668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9497, 18994, 28491, 37988, 47485, 56982, 66479, 94970, 113964, 132958, 142455, 189940, 199437, 265916, 284910, 332395, 398874, 465353, 569820, 664790, 797748, 930706, 997185, 1329580, 1396059, 1861412, 1994370, 2326765, 2792118, 3988740, 4653530, 5584236, 6980295, 9307060, 13960590, 27921180]

約数ペア:

[(1, 27921180), (2, 13960590), (3, 9307060), (4, 6980295), (5, 5584236), (6, 4653530), (7, 3988740), (10, 2792118), (12, 2326765), (14, 1994370), (15, 1861412), (20, 1396059), (21, 1329580), (28, 997185), (30, 930706), (35, 797748), (42, 664790), (49, 569820), (60, 465353), (70, 398874), (84, 332395), (98, 284910), (105, 265916), (140, 199437), (147, 189940), (196, 142455), (210, 132958), (245, 113964), (294, 94970), (420, 66479), (490, 56982), (588, 47485), (735, 37988), (980, 28491), (1470, 18994), (2940, 9497)]