71368353

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 122512000

約数和(自身を除く): 51143647

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 379, 427, 441, 549, 1029, 1137, 1281, 2653, 2989, 3087, 3411, 3843, 7959, 8967, 18571, 20923, 23119, 23877, 26901, 55713, 62769, 69357, 129997, 161833, 167139, 188307, 208071, 389991, 485499, 1132831, 1169973, 1456497, 3398493, 7929817, 10195479, 23789451, 71368353]

約数ペア:

[(1, 71368353), (3, 23789451), (7, 10195479), (9, 7929817), (21, 3398493), (49, 1456497), (61, 1169973), (63, 1132831), (147, 485499), (183, 389991), (343, 208071), (379, 188307), (427, 167139), (441, 161833), (549, 129997), (1029, 69357), (1137, 62769), (1281, 55713), (2653, 26901), (2989, 23877), (3087, 23119), (3411, 20923), (3843, 18571), (7959, 8967)]