208851363

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 365664000

約数和(自身を除く): 156812637

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 399, 447, 1043, 1171, 1197, 1341, 2831, 3129, 3513, 8197, 8493, 9387, 10539, 19817, 22249, 24591, 25479, 59451, 66747, 73773, 155743, 174479, 178353, 200241, 467229, 523437, 1221353, 1401687, 1570311, 3315101, 3664059, 9945303, 10992177, 23205707, 29835909, 69617121, 208851363]

約数ペア:

[(1, 208851363), (3, 69617121), (7, 29835909), (9, 23205707), (19, 10992177), (21, 9945303), (57, 3664059), (63, 3315101), (133, 1570311), (149, 1401687), (171, 1221353), (399, 523437), (447, 467229), (1043, 200241), (1171, 178353), (1197, 174479), (1341, 155743), (2831, 73773), (3129, 66747), (3513, 59451), (8197, 25479), (8493, 24591), (9387, 22249), (10539, 19817)]