20131125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{7669}}^1$

素因数の和:7694

約数の個数: 32

約数和(自身を含む): 38288640

約数和(自身を除く): 18157515

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 7669, 23007, 38345, 53683, 115035, 161049, 191725, 268415, 575175, 805245, 958625, 1342075, 2875875, 4026225, 6710375, 20131125]

約数ペア:

[(1, 20131125), (3, 6710375), (5, 4026225), (7, 2875875), (15, 1342075), (21, 958625), (25, 805245), (35, 575175), (75, 268415), (105, 191725), (125, 161049), (175, 115035), (375, 53683), (525, 38345), (875, 23007), (2625, 7669)]