16847271

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 29473664

約数和(自身を除く): 12626393

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 691, 903, 1161, 2073, 2709, 3483, 4837, 6219, 8127, 14511, 18657, 24381, 29713, 43533, 55971, 89139, 130599, 207991, 267417, 391797, 623973, 802251, 1871919, 2406753, 5615757, 16847271]

約数ペア:

[(1, 16847271), (3, 5615757), (7, 2406753), (9, 1871919), (21, 802251), (27, 623973), (43, 391797), (63, 267417), (81, 207991), (129, 130599), (189, 89139), (301, 55971), (387, 43533), (567, 29713), (691, 24381), (903, 18657), (1161, 14511), (2073, 8127), (2709, 6219), (3483, 4837)]