138727225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 225971648

約数和(自身を除く): 87244423

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 211, 221, 289, 325, 425, 455, 595, 1055, 1105, 1445, 1477, 1547, 2023, 2275, 2743, 2975, 3587, 3757, 5275, 5525, 7225, 7385, 7735, 10115, 13715, 17935, 18785, 19201, 25109, 26299, 36925, 38675, 46631, 50575, 60979, 68575, 89675, 93925, 96005, 125545, 131495, 233155, 304895, 326417, 426853, 480025, 627725, 657475, 792727, 1165775, 1524475, 1632085, 2134265, 3963635, 5549089, 8160425, 10671325, 19818175, 27745445, 138727225]

約数ペア:

[(1, 138727225), (5, 27745445), (7, 19818175), (13, 10671325), (17, 8160425), (25, 5549089), (35, 3963635), (65, 2134265), (85, 1632085), (91, 1524475), (119, 1165775), (175, 792727), (211, 657475), (221, 627725), (289, 480025), (325, 426853), (425, 326417), (455, 304895), (595, 233155), (1055, 131495), (1105, 125545), (1445, 96005), (1477, 93925), (1547, 89675), (2023, 68575), (2275, 60979), (2743, 50575), (2975, 46631), (3587, 38675), (3757, 36925), (5275, 26299), (5525, 25109), (7225, 19201), (7385, 18785), (7735, 17935), (10115, 13715)]