201775581

素因数分解:

$3^2\times 7^3\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 342825600

約数和(自身を除く): 141050019

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 343, 401, 441, 489, 1029, 1141, 1203, 1467, 2807, 3087, 3423, 3609, 7987, 8421, 10269, 19649, 23961, 25263, 55909, 58947, 65363, 71883, 137543, 167727, 176841, 196089, 412629, 457541, 503181, 588267, 1237887, 1372623, 3202787, 4117869, 9608361, 22419509, 28825083, 67258527, 201775581]

約数ペア:

[(1, 201775581), (3, 67258527), (7, 28825083), (9, 22419509), (21, 9608361), (49, 4117869), (63, 3202787), (147, 1372623), (163, 1237887), (343, 588267), (401, 503181), (441, 457541), (489, 412629), (1029, 196089), (1141, 176841), (1203, 167727), (1467, 137543), (2807, 71883), (3087, 65363), (3423, 58947), (3609, 55909), (7987, 25263), (8421, 23961), (10269, 19649)]