9918909

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 19783680

約数和(自身を除く): 9864771

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 367, 429, 693, 819, 1001, 1101, 1287, 2079, 2457, 2569, 3003, 3303, 3861, 4037, 4771, 7707, 9009, 9909, 12111, 14313, 23121, 27027, 28259, 33397, 36333, 42939, 52481, 69363, 84777, 100191, 108999, 128817, 157443, 254331, 300573, 367367, 472329, 762993, 901719, 1102101, 1416987, 3306303, 9918909]

約数ペア:

[(1, 9918909), (3, 3306303), (7, 1416987), (9, 1102101), (11, 901719), (13, 762993), (21, 472329), (27, 367367), (33, 300573), (39, 254331), (63, 157443), (77, 128817), (91, 108999), (99, 100191), (117, 84777), (143, 69363), (189, 52481), (231, 42939), (273, 36333), (297, 33397), (351, 28259), (367, 27027), (429, 23121), (693, 14313), (819, 12111), (1001, 9909), (1101, 9009), (1287, 7707), (2079, 4771), (2457, 4037), (2569, 3861), (3003, 3303)]