17901585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 16063983

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 431, 585, 639, 923, 1065, 1293, 2155, 2769, 3195, 3879, 4615, 5603, 6465, 8307, 13845, 16809, 19395, 28015, 30601, 41535, 50427, 84045, 91803, 153005, 252135, 275409, 397813, 459015, 1193439, 1377045, 1989065, 3580317, 5967195, 17901585]

約数ペア:

[(1, 17901585), (3, 5967195), (5, 3580317), (9, 1989065), (13, 1377045), (15, 1193439), (39, 459015), (45, 397813), (65, 275409), (71, 252135), (117, 153005), (195, 91803), (213, 84045), (355, 50427), (431, 41535), (585, 30601), (639, 28015), (923, 19395), (1065, 16809), (1293, 13845), (2155, 8307), (2769, 6465), (3195, 5603), (3879, 4615)]