18043641

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:304

約数の個数: 60

約数和(自身を含む): 33988416

約数和(自身を除く): 15944775

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 263, 297, 363, 567, 693, 789, 847, 891, 1089, 1841, 2079, 2367, 2541, 2893, 3267, 5523, 6237, 7101, 7623, 8679, 9801, 16569, 20251, 21303, 22869, 26037, 31823, 49707, 60753, 68607, 78111, 95469, 149121, 182259, 222761, 234333, 286407, 546777, 668283, 859221, 1640331, 2004849, 2577663, 6014547, 18043641]

約数ペア:

[(1, 18043641), (3, 6014547), (7, 2577663), (9, 2004849), (11, 1640331), (21, 859221), (27, 668283), (33, 546777), (63, 286407), (77, 234333), (81, 222761), (99, 182259), (121, 149121), (189, 95469), (231, 78111), (263, 68607), (297, 60753), (363, 49707), (567, 31823), (693, 26037), (789, 22869), (847, 21303), (891, 20251), (1089, 16569), (1841, 9801), (2079, 8679), (2367, 7623), (2541, 7101), (2893, 6237), (3267, 5523)]