9920337

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 16988160

約数和(自身を除く): 7067823

約数列:

[1, 3, 7, 19, 21, 23, 47, 57, 69, 133, 141, 161, 329, 399, 437, 483, 529, 893, 987, 1081, 1311, 1587, 2679, 3059, 3243, 3703, 6251, 7567, 9177, 10051, 11109, 18753, 20539, 22701, 24863, 30153, 61617, 70357, 74589, 143773, 174041, 211071, 431319, 472397, 522123, 1417191, 3306779, 9920337]

約数ペア:

[(1, 9920337), (3, 3306779), (7, 1417191), (19, 522123), (21, 472397), (23, 431319), (47, 211071), (57, 174041), (69, 143773), (133, 74589), (141, 70357), (161, 61617), (329, 30153), (399, 24863), (437, 22701), (483, 20539), (529, 18753), (893, 11109), (987, 10051), (1081, 9177), (1311, 7567), (1587, 6251), (2679, 3703), (3059, 3243)]