3191805

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 5975424

約数和(自身を除く): 2783619

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 71, 81, 111, 135, 185, 213, 243, 333, 355, 405, 555, 639, 999, 1065, 1215, 1665, 1917, 2627, 2997, 3195, 4995, 5751, 7881, 8991, 9585, 13135, 14985, 17253, 23643, 28755, 39405, 44955, 70929, 86265, 118215, 212787, 354645, 638361, 1063935, 3191805]

約数ペア:

[(1, 3191805), (3, 1063935), (5, 638361), (9, 354645), (15, 212787), (27, 118215), (37, 86265), (45, 70929), (71, 44955), (81, 39405), (111, 28755), (135, 23643), (185, 17253), (213, 14985), (243, 13135), (333, 9585), (355, 8991), (405, 7881), (555, 5751), (639, 4995), (999, 3195), (1065, 2997), (1215, 2627), (1665, 1917)]