138978825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5737}}^1$

素因数の和:5786

約数の個数: 48

約数和(自身を含む): 256144320

約数和(自身を除く): 117165495

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 4845, 5737, 8075, 17211, 24225, 28685, 86055, 97529, 109003, 143425, 292587, 327009, 430275, 487645, 545015, 1462935, 1635045, 1853051, 2438225, 2725075, 5559153, 7314675, 8175225, 9265255, 27795765, 46326275, 138978825]

約数ペア:

[(1, 138978825), (3, 46326275), (5, 27795765), (15, 9265255), (17, 8175225), (19, 7314675), (25, 5559153), (51, 2725075), (57, 2438225), (75, 1853051), (85, 1635045), (95, 1462935), (255, 545015), (285, 487645), (323, 430275), (425, 327009), (475, 292587), (969, 143425), (1275, 109003), (1425, 97529), (1615, 86055), (4845, 28685), (5737, 24225), (8075, 17211)]