64973919

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 93519360

約数和(自身を除く): 28545441

約数列:

[1, 3, 23, 53, 69, 109, 159, 163, 327, 489, 1219, 2507, 3657, 3749, 5777, 7521, 8639, 11247, 17331, 17767, 25917, 53301, 132871, 198697, 398613, 408641, 596091, 941651, 1225923, 2824953, 21657973, 64973919]

約数ペア:

[(1, 64973919), (3, 21657973), (23, 2824953), (53, 1225923), (69, 941651), (109, 596091), (159, 408641), (163, 398613), (327, 198697), (489, 132871), (1219, 53301), (2507, 25917), (3657, 17767), (3749, 17331), (5777, 11247), (7521, 8639)]