2947581

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 5416320

約数和(自身を除く): 2468739

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 61, 63, 91, 117, 177, 183, 273, 413, 427, 531, 549, 767, 793, 819, 1239, 1281, 2301, 2379, 3599, 3717, 3843, 5369, 5551, 6903, 7137, 10797, 16107, 16653, 25193, 32391, 46787, 48321, 49959, 75579, 140361, 226737, 327509, 421083, 982527, 2947581]

約数ペア:

[(1, 2947581), (3, 982527), (7, 421083), (9, 327509), (13, 226737), (21, 140361), (39, 75579), (59, 49959), (61, 48321), (63, 46787), (91, 32391), (117, 25193), (177, 16653), (183, 16107), (273, 10797), (413, 7137), (427, 6903), (531, 5551), (549, 5369), (767, 3843), (793, 3717), (819, 3599), (1239, 2379), (1281, 2301)]