20131776861

素因数分解:

$3^1\times 7^3\times {\mathrm{19564409}}^1$

素因数の和:19564433

約数の個数: 16

約数和(自身を含む): 31303056000

約数和(自身を除く): 11171279139

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19564409, 58693227, 136950863, 410852589, 958656041, 2875968123, 6710592287, 20131776861]

約数ペア:

[(1, 20131776861), (3, 6710592287), (7, 2875968123), (21, 958656041), (49, 410852589), (147, 136950863), (343, 58693227), (1029, 19564409)]