9878841

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 60

約数和(自身を含む): 18208080

約数和(自身を除く): 8329239

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 131, 133, 147, 171, 189, 393, 399, 441, 513, 567, 917, 931, 1179, 1197, 1323, 1539, 2489, 2751, 2793, 3537, 3591, 3969, 6419, 7467, 8253, 8379, 10611, 10773, 17423, 19257, 22401, 24759, 25137, 52269, 57771, 67203, 74277, 75411, 121961, 156807, 173313, 201609, 365883, 470421, 519939, 1097649, 1411263, 3292947, 9878841]

約数ペア:

[(1, 9878841), (3, 3292947), (7, 1411263), (9, 1097649), (19, 519939), (21, 470421), (27, 365883), (49, 201609), (57, 173313), (63, 156807), (81, 121961), (131, 75411), (133, 74277), (147, 67203), (171, 57771), (189, 52269), (393, 25137), (399, 24759), (441, 22401), (513, 19257), (567, 17423), (917, 10773), (931, 10611), (1179, 8379), (1197, 8253), (1323, 7467), (1539, 6419), (2489, 3969), (2751, 3591), (2793, 3537)]