210360717

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 355829760

約数和(自身を除く): 145469043

約数列:

[1, 3, 7, 9, 21, 63, 71, 131, 213, 359, 393, 497, 639, 917, 1077, 1179, 1491, 2513, 2751, 3231, 4473, 7539, 8253, 9301, 22617, 25489, 27903, 47029, 65107, 76467, 83709, 141087, 178423, 195321, 229401, 329203, 423261, 535269, 585963, 987609, 1605807, 2962827, 3339059, 10017177, 23373413, 30051531, 70120239, 210360717]

約数ペア:

[(1, 210360717), (3, 70120239), (7, 30051531), (9, 23373413), (21, 10017177), (63, 3339059), (71, 2962827), (131, 1605807), (213, 987609), (359, 585963), (393, 535269), (497, 423261), (639, 329203), (917, 229401), (1077, 195321), (1179, 178423), (1491, 141087), (2513, 83709), (2751, 76467), (3231, 65107), (4473, 47029), (7539, 27903), (8253, 25489), (9301, 22617)]