13978167

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 22878720

約数和(自身を除く): 8900553

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 661, 1007, 1113, 1983, 3021, 4627, 7049, 12559, 13881, 21147, 35033, 37677, 87913, 105099, 245231, 263739, 665627, 735693, 1996881, 4659389, 13978167]

約数ペア:

[(1, 13978167), (3, 4659389), (7, 1996881), (19, 735693), (21, 665627), (53, 263739), (57, 245231), (133, 105099), (159, 87913), (371, 37677), (399, 35033), (661, 21147), (1007, 13881), (1113, 12559), (1983, 7049), (3021, 4627)]