75478473

素因数分解:

$3^6\times 7^2\times {\mathrm{2113}}^1$

素因数の和:2145

約数の個数: 42

約数和(自身を含む): 131704314

約数和(自身を除く): 56225841

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 2113, 3969, 5103, 6339, 11907, 14791, 19017, 35721, 44373, 57051, 103537, 133119, 171153, 310611, 399357, 513459, 931833, 1198071, 1540377, 2795499, 3594213, 8386497, 10782639, 25159491, 75478473]

約数ペア:

[(1, 75478473), (3, 25159491), (7, 10782639), (9, 8386497), (21, 3594213), (27, 2795499), (49, 1540377), (63, 1198071), (81, 931833), (147, 513459), (189, 399357), (243, 310611), (441, 171153), (567, 133119), (729, 103537), (1323, 57051), (1701, 44373), (2113, 35721), (3969, 19017), (5103, 14791), (6339, 11907)]