12951939

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 24514560

約数和(自身を除く): 11562621

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 227, 231, 247, 273, 399, 429, 627, 681, 741, 1001, 1463, 1589, 1729, 2497, 2717, 2951, 3003, 4313, 4389, 4767, 5187, 7491, 8151, 8853, 12939, 17479, 19019, 20657, 30191, 32461, 47443, 52437, 56069, 57057, 61971, 90573, 97383, 142329, 168207, 227227, 332101, 392483, 616759, 681681, 996303, 1177449, 1850277, 4317313, 12951939]

約数ペア:

[(1, 12951939), (3, 4317313), (7, 1850277), (11, 1177449), (13, 996303), (19, 681681), (21, 616759), (33, 392483), (39, 332101), (57, 227227), (77, 168207), (91, 142329), (133, 97383), (143, 90573), (209, 61971), (227, 57057), (231, 56069), (247, 52437), (273, 47443), (399, 32461), (429, 30191), (627, 20657), (681, 19019), (741, 17479), (1001, 12939), (1463, 8853), (1589, 8151), (1729, 7491), (2497, 5187), (2717, 4767), (2951, 4389), (3003, 4313)]