81384933

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 138386880

約数和(自身を除く): 57001947

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 357, 493, 609, 833, 1123, 1421, 1479, 2499, 3369, 3451, 4263, 7861, 10353, 19091, 23583, 24157, 32567, 55027, 57273, 72471, 97701, 133637, 165081, 227969, 400911, 553639, 683907, 935459, 1595783, 1660917, 2806377, 3875473, 4787349, 11626419, 27128311, 81384933]

約数ペア:

[(1, 81384933), (3, 27128311), (7, 11626419), (17, 4787349), (21, 3875473), (29, 2806377), (49, 1660917), (51, 1595783), (87, 935459), (119, 683907), (147, 553639), (203, 400911), (357, 227969), (493, 165081), (609, 133637), (833, 97701), (1123, 72471), (1421, 57273), (1479, 55027), (2499, 32567), (3369, 24157), (3451, 23583), (4263, 19091), (7861, 10353)]