2447991

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 4513600

約数和(自身を除く): 2065609

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 273, 343, 427, 441, 549, 637, 793, 819, 1029, 1281, 1911, 2379, 2989, 3087, 3843, 4459, 5551, 5733, 7137, 8967, 13377, 16653, 20923, 26901, 38857, 40131, 49959, 62769, 116571, 188307, 271999, 349713, 815997, 2447991]

約数ペア:

[(1, 2447991), (3, 815997), (7, 349713), (9, 271999), (13, 188307), (21, 116571), (39, 62769), (49, 49959), (61, 40131), (63, 38857), (91, 26901), (117, 20923), (147, 16653), (183, 13377), (273, 8967), (343, 7137), (427, 5733), (441, 5551), (549, 4459), (637, 3843), (793, 3087), (819, 2989), (1029, 2379), (1281, 1911)]