204521919

素因数分解:

$3^1\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{5659}}^1$

素因数の和:7390

約数の個数: 16

約数和(自身を含む): 311888640

約数和(自身を除く): 107366721

約数列:

[1, 3, 7, 21, 1721, 5163, 5659, 12047, 16977, 36141, 39613, 118839, 9739139, 29217417, 68173973, 204521919]

約数ペア:

[(1, 204521919), (3, 68173973), (7, 29217417), (21, 9739139), (1721, 118839), (5163, 39613), (5659, 36141), (12047, 16977)]