90809019

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9421}}^1$

素因数の和:9457

約数の個数: 40

約数和(自身を含む): 164168928

約数和(自身を除く): 73359909

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 9421, 9639, 28263, 65947, 84789, 160157, 197841, 254367, 480471, 593523, 763101, 1121099, 1441413, 1780569, 3363297, 4324239, 5341707, 10089891, 12972717, 30269673, 90809019]

約数ペア:

[(1, 90809019), (3, 30269673), (7, 12972717), (9, 10089891), (17, 5341707), (21, 4324239), (27, 3363297), (51, 1780569), (63, 1441413), (81, 1121099), (119, 763101), (153, 593523), (189, 480471), (357, 254367), (459, 197841), (567, 160157), (1071, 84789), (1377, 65947), (3213, 28263), (9421, 9639)]