207974277

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 64

約数和(自身を含む): 380736000

約数和(自身を除く): 172761723

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 343, 357, 441, 459, 833, 1029, 1071, 1321, 1323, 2499, 3087, 3213, 3963, 5831, 7497, 9247, 9261, 11889, 17493, 22457, 22491, 27741, 35667, 52479, 64729, 67371, 83223, 157199, 157437, 194187, 202113, 249669, 453103, 471597, 582561, 606339, 1100393, 1359309, 1414791, 1747683, 3301179, 4077927, 4244373, 7702751, 9903537, 12233781, 23108253, 29710611, 69324759, 207974277]

約数ペア:

[(1, 207974277), (3, 69324759), (7, 29710611), (9, 23108253), (17, 12233781), (21, 9903537), (27, 7702751), (49, 4244373), (51, 4077927), (63, 3301179), (119, 1747683), (147, 1414791), (153, 1359309), (189, 1100393), (343, 606339), (357, 582561), (441, 471597), (459, 453103), (833, 249669), (1029, 202113), (1071, 194187), (1321, 157437), (1323, 157199), (2499, 83223), (3087, 67371), (3213, 64729), (3963, 52479), (5831, 35667), (7497, 27741), (9247, 22491), (9261, 22457), (11889, 17493)]