18480231

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2963}}^1$

素因数の和:2993

約数の個数: 40

約数和(自身を含む): 34429824

約数和(自身を除く): 15949593

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 2963, 6237, 8889, 20741, 26667, 32593, 62223, 80001, 97779, 186669, 228151, 240003, 293337, 560007, 684453, 880011, 1680021, 2053359, 2640033, 6160077, 18480231]

約数ペア:

[(1, 18480231), (3, 6160077), (7, 2640033), (9, 2053359), (11, 1680021), (21, 880011), (27, 684453), (33, 560007), (63, 293337), (77, 240003), (81, 228151), (99, 186669), (189, 97779), (231, 80001), (297, 62223), (567, 32593), (693, 26667), (891, 20741), (2079, 8889), (2963, 6237)]