138889755

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 264176640

約数和(自身を除く): 125286885

約数列:

[1, 3, 5, 9, 15, 23, 27, 41, 45, 69, 115, 123, 135, 205, 207, 345, 369, 615, 621, 943, 1035, 1091, 1107, 1845, 2829, 3105, 3273, 4715, 5455, 5535, 8487, 9819, 14145, 16365, 25093, 25461, 29457, 42435, 44731, 49095, 75279, 125465, 127305, 134193, 147285, 223655, 225837, 376395, 402579, 670965, 677511, 1028813, 1129185, 1207737, 2012895, 3086439, 3387555, 5144065, 6038685, 9259317, 15432195, 27777951, 46296585, 138889755]

約数ペア:

[(1, 138889755), (3, 46296585), (5, 27777951), (9, 15432195), (15, 9259317), (23, 6038685), (27, 5144065), (41, 3387555), (45, 3086439), (69, 2012895), (115, 1207737), (123, 1129185), (135, 1028813), (205, 677511), (207, 670965), (345, 402579), (369, 376395), (615, 225837), (621, 223655), (943, 147285), (1035, 134193), (1091, 127305), (1107, 125465), (1845, 75279), (2829, 49095), (3105, 44731), (3273, 42435), (4715, 29457), (5455, 25461), (5535, 25093), (8487, 16365), (9819, 14145)]