1397431361

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 1532680704

約数和(自身を除く): 135249343

約数列:

[1, 19, 31, 193, 361, 589, 647, 3667, 5983, 11191, 12293, 20057, 69673, 113677, 124871, 233567, 381083, 2159863, 2372549, 3871001, 7240577, 45078431, 73549019, 1397431361]

約数ペア:

[(1, 1397431361), (19, 73549019), (31, 45078431), (193, 7240577), (361, 3871001), (589, 2372549), (647, 2159863), (3667, 381083), (5983, 233567), (11191, 124871), (12293, 113677), (20057, 69673)]