4388391

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 7879680

約数和(自身を除く): 3491289

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 107, 147, 189, 217, 279, 321, 441, 651, 749, 837, 963, 1323, 1519, 1953, 2247, 2889, 3317, 4557, 5243, 5859, 6741, 9951, 13671, 15729, 20223, 23219, 29853, 41013, 47187, 69657, 89559, 141561, 162533, 208971, 487599, 626913, 1462797, 4388391]

約数ペア:

[(1, 4388391), (3, 1462797), (7, 626913), (9, 487599), (21, 208971), (27, 162533), (31, 141561), (49, 89559), (63, 69657), (93, 47187), (107, 41013), (147, 29853), (189, 23219), (217, 20223), (279, 15729), (321, 13671), (441, 9951), (651, 6741), (749, 5859), (837, 5243), (963, 4557), (1323, 3317), (1519, 2889), (1953, 2247)]