20149101

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 37273600

約数和(自身を除く): 17124499

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 181, 189, 217, 279, 399, 513, 543, 589, 651, 837, 1197, 1267, 1629, 1767, 1953, 3439, 3591, 3801, 4123, 4887, 5301, 5611, 5859, 10317, 11403, 12369, 15903, 16833, 24073, 30951, 34209, 37107, 39277, 50499, 72219, 92853, 106609, 111321, 117831, 151497, 216657, 319827, 353493, 649971, 746263, 959481, 1060479, 2238789, 2878443, 6716367, 20149101]

約数ペア:

[(1, 20149101), (3, 6716367), (7, 2878443), (9, 2238789), (19, 1060479), (21, 959481), (27, 746263), (31, 649971), (57, 353493), (63, 319827), (93, 216657), (133, 151497), (171, 117831), (181, 111321), (189, 106609), (217, 92853), (279, 72219), (399, 50499), (513, 39277), (543, 37107), (589, 34209), (651, 30951), (837, 24073), (1197, 16833), (1267, 15903), (1629, 12369), (1767, 11403), (1953, 10317), (3439, 5859), (3591, 5611), (3801, 5301), (4123, 4887)]