31778145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 63797760

約数和(自身を除く): 32019615

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1277, 1659, 2765, 3555, 3831, 4977, 6385, 8295, 8939, 11493, 19155, 24885, 26817, 44695, 57465, 80451, 100883, 134085, 302649, 402255, 504415, 706181, 907947, 1513245, 2118543, 3530905, 4539735, 6355629, 10592715, 31778145]

約数ペア:

[(1, 31778145), (3, 10592715), (5, 6355629), (7, 4539735), (9, 3530905), (15, 2118543), (21, 1513245), (35, 907947), (45, 706181), (63, 504415), (79, 402255), (105, 302649), (237, 134085), (315, 100883), (395, 80451), (553, 57465), (711, 44695), (1185, 26817), (1277, 24885), (1659, 19155), (2765, 11493), (3555, 8939), (3831, 8295), (4977, 6385)]