12706515

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 23115456

約数和(自身を除く): 10408941

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 97, 123, 205, 213, 291, 355, 369, 485, 615, 639, 873, 1065, 1455, 1845, 2911, 3195, 3977, 4365, 6887, 8733, 11931, 14555, 19885, 20661, 26199, 34435, 35793, 43665, 59655, 61983, 103305, 130995, 178965, 282367, 309915, 847101, 1411835, 2541303, 4235505, 12706515]

約数ペア:

[(1, 12706515), (3, 4235505), (5, 2541303), (9, 1411835), (15, 847101), (41, 309915), (45, 282367), (71, 178965), (97, 130995), (123, 103305), (205, 61983), (213, 59655), (291, 43665), (355, 35793), (369, 34435), (485, 26199), (615, 20661), (639, 19885), (873, 14555), (1065, 11931), (1455, 8733), (1845, 6887), (2911, 4365), (3195, 3977)]