20174393337

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{921079}}^1$

素因数の和:921245

約数の個数: 24

約数和(自身を含む): 31500936000

約数和(自身を除く): 11326542663

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 7301, 21903, 921079, 2763237, 6447553, 19342659, 45132871, 135398613, 137240771, 411722313, 960685397, 2882056191, 6724797779, 20174393337]

約数ペア:

[(1, 20174393337), (3, 6724797779), (7, 2882056191), (21, 960685397), (49, 411722313), (147, 137240771), (149, 135398613), (447, 45132871), (1043, 19342659), (3129, 6447553), (7301, 2763237), (21903, 921079)]