247764363

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7829}}^1$

素因数の和:7987

約数の個数: 32

約数和(自身を含む): 414927360

約数和(自身を除く): 167162997

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 7829, 10549, 23487, 31647, 54803, 86119, 164409, 258357, 602833, 1072573, 1808499, 3217719, 7508011, 11798303, 22524033, 35394909, 82588121, 247764363]

約数ペア:

[(1, 247764363), (3, 82588121), (7, 35394909), (11, 22524033), (21, 11798303), (33, 7508011), (77, 3217719), (137, 1808499), (231, 1072573), (411, 602833), (959, 258357), (1507, 164409), (2877, 86119), (4521, 54803), (7829, 31647), (10549, 23487)]