31487577

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 15790503

約数列:

[1, 3, 11, 33, 71, 89, 151, 213, 267, 453, 781, 979, 1661, 2343, 2937, 4983, 6319, 10721, 13439, 18957, 32163, 40317, 69509, 117931, 147829, 208527, 353793, 443487, 954169, 2862507, 10495859, 31487577]

約数ペア:

[(1, 31487577), (3, 10495859), (11, 2862507), (33, 954169), (71, 443487), (89, 353793), (151, 208527), (213, 147829), (267, 117931), (453, 69509), (781, 40317), (979, 32163), (1661, 18957), (2343, 13439), (2937, 10721), (4983, 6319)]