307370385

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{139397}}^1$

素因数の和:139422

約数の個数: 36

約数和(自身を含む): 619763508

約数和(自身を除く): 312393123

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 139397, 418191, 696985, 975779, 1254573, 2090955, 2927337, 4878895, 6272865, 6830453, 8782011, 14636685, 20491359, 34152265, 43910055, 61474077, 102456795, 307370385]

約数ペア:

[(1, 307370385), (3, 102456795), (5, 61474077), (7, 43910055), (9, 34152265), (15, 20491359), (21, 14636685), (35, 8782011), (45, 6830453), (49, 6272865), (63, 4878895), (105, 2927337), (147, 2090955), (245, 1254573), (315, 975779), (441, 696985), (735, 418191), (2205, 139397)]