17725203

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 29463840

約数和(自身を除く): 11738637

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 73, 153, 207, 219, 391, 459, 529, 621, 657, 1173, 1241, 1587, 1679, 1971, 3519, 3723, 4761, 5037, 8993, 10557, 11169, 14283, 15111, 26979, 28543, 33507, 38617, 45333, 80937, 85629, 115851, 242811, 256887, 347553, 656489, 770661, 1042659, 1969467, 5908401, 17725203]

約数ペア:

[(1, 17725203), (3, 5908401), (9, 1969467), (17, 1042659), (23, 770661), (27, 656489), (51, 347553), (69, 256887), (73, 242811), (153, 115851), (207, 85629), (219, 80937), (391, 45333), (459, 38617), (529, 33507), (621, 28543), (657, 26979), (1173, 15111), (1241, 14283), (1587, 11169), (1679, 10557), (1971, 8993), (3519, 5037), (3723, 4761)]