18373383

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 31424328

約数和(自身を除く): 13050945

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 683, 1281, 2049, 2989, 3843, 4781, 6147, 8967, 14343, 26901, 33467, 41663, 43029, 100401, 124989, 291641, 301203, 374967, 874923, 2041487, 2624769, 6124461, 18373383]

約数ペア:

[(1, 18373383), (3, 6124461), (7, 2624769), (9, 2041487), (21, 874923), (49, 374967), (61, 301203), (63, 291641), (147, 124989), (183, 100401), (427, 43029), (441, 41663), (549, 33467), (683, 26901), (1281, 14343), (2049, 8967), (2989, 6147), (3843, 4781)]