38919999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 56678400

約数和(自身を除く): 17758401

約数列:

[1, 3, 19, 57, 59, 71, 163, 177, 213, 489, 1121, 1349, 3097, 3363, 4047, 4189, 9291, 9617, 11573, 12567, 28851, 34719, 79591, 182723, 219887, 238773, 548169, 659661, 682807, 2048421, 12973333, 38919999]

約数ペア:

[(1, 38919999), (3, 12973333), (19, 2048421), (57, 682807), (59, 659661), (71, 548169), (163, 238773), (177, 219887), (213, 182723), (489, 79591), (1121, 34719), (1349, 28851), (3097, 12567), (3363, 11573), (4047, 9617), (4189, 9291)]