16690425

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 27810720

約数和(自身を除く): 11120295

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 1601, 2085, 3475, 4803, 8005, 10425, 24015, 40025, 120075, 222539, 667617, 1112695, 3338085, 5563475, 16690425]

約数ペア:

[(1, 16690425), (3, 5563475), (5, 3338085), (15, 1112695), (25, 667617), (75, 222539), (139, 120075), (417, 40025), (695, 24015), (1601, 10425), (2085, 8005), (3475, 4803)]