16688973

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 27043840

約数和(自身を除く): 10354867

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 277, 399, 453, 831, 1057, 1939, 2869, 3171, 5263, 5817, 8607, 15789, 20083, 36841, 41827, 60249, 110523, 125481, 292789, 794713, 878367, 2384139, 5562991, 16688973]

約数ペア:

[(1, 16688973), (3, 5562991), (7, 2384139), (19, 878367), (21, 794713), (57, 292789), (133, 125481), (151, 110523), (277, 60249), (399, 41827), (453, 36841), (831, 20083), (1057, 15789), (1939, 8607), (2869, 5817), (3171, 5263)]