1918937479473

素因数分解:

$3^3\times 7^4\times {\mathrm{43}}^1\times {\mathrm{688393}}^1$

素因数の和:688473

約数の個数: 80

約数和(自身を含む): 3393617205440

約数和(自身を除く): 1474679725967

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 343, 387, 441, 903, 1029, 1161, 1323, 2107, 2401, 2709, 3087, 6321, 7203, 8127, 9261, 14749, 18963, 21609, 44247, 56889, 64827, 103243, 132741, 309729, 398223, 688393, 929187, 2065179, 2787561, 4818751, 6195537, 14456253, 18586611, 29600899, 33731257, 43368759, 88802697, 101193771, 130106277, 207206293, 236118799, 266408091, 303581313, 621618879, 708356397, 799224273, 910743939, 1450444051, 1652831593, 1864856637, 2125069191, 4351332153, 4958494779, 5594569911, 6375207573, 10153108357, 13053996459, 14875484337, 30459325071, 39161989377, 44626453011, 71071758499, 91377975213, 213215275497, 274133925639, 639645826491, 1918937479473]

約数ペア:

[(1, 1918937479473), (3, 639645826491), (7, 274133925639), (9, 213215275497), (21, 91377975213), (27, 71071758499), (43, 44626453011), (49, 39161989377), (63, 30459325071), (129, 14875484337), (147, 13053996459), (189, 10153108357), (301, 6375207573), (343, 5594569911), (387, 4958494779), (441, 4351332153), (903, 2125069191), (1029, 1864856637), (1161, 1652831593), (1323, 1450444051), (2107, 910743939), (2401, 799224273), (2709, 708356397), (3087, 621618879), (6321, 303581313), (7203, 266408091), (8127, 236118799), (9261, 207206293), (14749, 130106277), (18963, 101193771), (21609, 88802697), (44247, 43368759), (56889, 33731257), (64827, 29600899), (103243, 18586611), (132741, 14456253), (309729, 6195537), (398223, 4818751), (688393, 2787561), (929187, 2065179)]