388631325

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 655047360

約数和(自身を除く): 266416035

約数列:

[1, 3, 5, 15, 25, 75, 109, 137, 327, 347, 411, 545, 685, 1041, 1635, 1735, 2055, 2725, 3425, 5205, 8175, 8675, 10275, 14933, 26025, 37823, 44799, 47539, 74665, 113469, 142617, 189115, 223995, 237695, 373325, 567345, 713085, 945575, 1119975, 1188475, 2836725, 3565425, 5181751, 15545253, 25908755, 77726265, 129543775, 388631325]

約数ペア:

[(1, 388631325), (3, 129543775), (5, 77726265), (15, 25908755), (25, 15545253), (75, 5181751), (109, 3565425), (137, 2836725), (327, 1188475), (347, 1119975), (411, 945575), (545, 713085), (685, 567345), (1041, 373325), (1635, 237695), (1735, 223995), (2055, 189115), (2725, 142617), (3425, 113469), (5205, 74665), (8175, 47539), (8675, 44799), (10275, 37823), (14933, 26025)]