1688913

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 2620800

約数和(自身を除く): 931887

約数列:

[1, 3, 9, 23, 41, 69, 123, 199, 207, 369, 597, 943, 1791, 2829, 4577, 8159, 8487, 13731, 24477, 41193, 73431, 187657, 562971, 1688913]

約数ペア:

[(1, 1688913), (3, 562971), (9, 187657), (23, 73431), (41, 41193), (69, 24477), (123, 13731), (199, 8487), (207, 8159), (369, 4577), (597, 2829), (943, 1791)]