16280397

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 30232800

約数和(自身を除く): 13952403

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 67, 87, 133, 147, 171, 201, 203, 261, 399, 441, 469, 551, 603, 609, 931, 1197, 1273, 1407, 1421, 1653, 1827, 1943, 2793, 3283, 3819, 3857, 4221, 4263, 4959, 5829, 8379, 8911, 9849, 11457, 11571, 12789, 13601, 17487, 26733, 26999, 29547, 34713, 36917, 40803, 62377, 80199, 80997, 95207, 110751, 122409, 187131, 242991, 258419, 285621, 332253, 561393, 775257, 856863, 1808933, 2325771, 5426799, 16280397]

約数ペア:

[(1, 16280397), (3, 5426799), (7, 2325771), (9, 1808933), (19, 856863), (21, 775257), (29, 561393), (49, 332253), (57, 285621), (63, 258419), (67, 242991), (87, 187131), (133, 122409), (147, 110751), (171, 95207), (201, 80997), (203, 80199), (261, 62377), (399, 40803), (441, 36917), (469, 34713), (551, 29547), (603, 26999), (609, 26733), (931, 17487), (1197, 13601), (1273, 12789), (1407, 11571), (1421, 11457), (1653, 9849), (1827, 8911), (1943, 8379), (2793, 5829), (3283, 4959), (3819, 4263), (3857, 4221)]