77772681

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 60605559

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 817, 903, 1197, 1511, 2451, 2709, 4533, 5719, 7353, 10577, 13599, 17157, 28709, 31731, 51471, 64973, 86127, 95193, 194919, 200963, 258381, 454811, 584757, 602889, 1234487, 1364433, 1808667, 3703461, 4093299, 8641409, 11110383, 25924227, 77772681]

約数ペア:

[(1, 77772681), (3, 25924227), (7, 11110383), (9, 8641409), (19, 4093299), (21, 3703461), (43, 1808667), (57, 1364433), (63, 1234487), (129, 602889), (133, 584757), (171, 454811), (301, 258381), (387, 200963), (399, 194919), (817, 95193), (903, 86127), (1197, 64973), (1511, 51471), (2451, 31731), (2709, 28709), (4533, 17157), (5719, 13599), (7353, 10577)]