251624163

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3917}}^1$

素因数の和:3976

約数の個数: 48

約数和(自身を含む): 428785920

約数和(自身を除く): 177161757

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 931, 1127, 1311, 2793, 3059, 3381, 3917, 9177, 11751, 21413, 27419, 64239, 74423, 82257, 90091, 191933, 223269, 270273, 520961, 575799, 630637, 1562883, 1711729, 1891911, 3646727, 4414459, 5135187, 10940181, 11982103, 13243377, 35946309, 83874721, 251624163]

約数ペア:

[(1, 251624163), (3, 83874721), (7, 35946309), (19, 13243377), (21, 11982103), (23, 10940181), (49, 5135187), (57, 4414459), (69, 3646727), (133, 1891911), (147, 1711729), (161, 1562883), (399, 630637), (437, 575799), (483, 520961), (931, 270273), (1127, 223269), (1311, 191933), (2793, 90091), (3059, 82257), (3381, 74423), (3917, 64239), (9177, 27419), (11751, 21413)]