71260749

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 124962240

約数和(自身を除く): 53701491

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 883, 1281, 1323, 1647, 2649, 2989, 3843, 6181, 7947, 8967, 11529, 18543, 23841, 26901, 43267, 53863, 55629, 80703, 129801, 161589, 166887, 377041, 389403, 484767, 1131123, 1168209, 1454301, 2639287, 3393369, 7917861, 10180107, 23753583, 71260749]

約数ペア:

[(1, 71260749), (3, 23753583), (7, 10180107), (9, 7917861), (21, 3393369), (27, 2639287), (49, 1454301), (61, 1168209), (63, 1131123), (147, 484767), (183, 389403), (189, 377041), (427, 166887), (441, 161589), (549, 129801), (883, 80703), (1281, 55629), (1323, 53863), (1647, 43267), (2649, 26901), (2989, 23841), (3843, 18543), (6181, 11529), (7947, 8967)]