190721727

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3140

約数の個数: 48

約数和(自身を含む): 336281088

約数和(自身を除く): 145559361

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 989, 1449, 2709, 2967, 3061, 6923, 8901, 9183, 20769, 21427, 27549, 62307, 64281, 70403, 131623, 192843, 211209, 394869, 492821, 633627, 921361, 1184607, 1478463, 2764083, 3027329, 4435389, 8292249, 9081987, 21191303, 27245961, 63573909, 190721727]

約数ペア:

[(1, 190721727), (3, 63573909), (7, 27245961), (9, 21191303), (21, 9081987), (23, 8292249), (43, 4435389), (63, 3027329), (69, 2764083), (129, 1478463), (161, 1184607), (207, 921361), (301, 633627), (387, 492821), (483, 394869), (903, 211209), (989, 192843), (1449, 131623), (2709, 70403), (2967, 64281), (3061, 62307), (6923, 27549), (8901, 21427), (9183, 20769)]