61781139

素因数分解:

$3^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1327}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 102202880

約数和(自身を除く): 40421741

約数列:

[1, 3, 7, 9, 21, 63, 739, 1327, 2217, 3981, 5173, 6651, 9289, 11943, 15519, 27867, 46557, 83601, 980653, 2941959, 6864571, 8825877, 20593713, 61781139]

約数ペア:

[(1, 61781139), (3, 20593713), (7, 8825877), (9, 6864571), (21, 2941959), (63, 980653), (739, 83601), (1327, 46557), (2217, 27867), (3981, 15519), (5173, 11943), (6651, 9289)]