721000770021

素因数分解:

$3^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{7465399}}^1$

素因数の和:7465495

約数の個数: 48

約数和(自身を含む): 1259562288000

約数和(自身を除く): 538561517979

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 147, 189, 219, 441, 511, 657, 1323, 1533, 1971, 3577, 4599, 10731, 13797, 32193, 96579, 7465399, 22396197, 52257793, 67188591, 156773379, 201565773, 365804551, 470320137, 544974127, 1097413653, 1410960411, 1634922381, 3292240959, 3814818889, 4904767143, 9876722877, 11444456667, 14714301429, 26703732223, 34333370001, 80111196669, 103000110003, 240333590007, 721000770021]

約数ペア:

[(1, 721000770021), (3, 240333590007), (7, 103000110003), (9, 80111196669), (21, 34333370001), (27, 26703732223), (49, 14714301429), (63, 11444456667), (73, 9876722877), (147, 4904767143), (189, 3814818889), (219, 3292240959), (441, 1634922381), (511, 1410960411), (657, 1097413653), (1323, 544974127), (1533, 470320137), (1971, 365804551), (3577, 201565773), (4599, 156773379), (10731, 67188591), (13797, 52257793), (32193, 22396197), (96579, 7465399)]