12921273

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 20386548

約数和(自身を除く): 7465275

約数列:

[1, 3, 9, 19, 41, 57, 97, 123, 171, 291, 361, 369, 779, 873, 1083, 1843, 2337, 3249, 3977, 5529, 7011, 11931, 14801, 16587, 35017, 35793, 44403, 75563, 105051, 133209, 226689, 315153, 680067, 1435697, 4307091, 12921273]

約数ペア:

[(1, 12921273), (3, 4307091), (9, 1435697), (19, 680067), (41, 315153), (57, 226689), (97, 133209), (123, 105051), (171, 75563), (291, 44403), (361, 35793), (369, 35017), (779, 16587), (873, 14801), (1083, 11931), (1843, 7011), (2337, 5529), (3249, 3977)]