172815027

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1777}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 288121344

約数和(自身を除く): 115306317

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 421, 1263, 1777, 2947, 4631, 5331, 8841, 12439, 13893, 19547, 32417, 37317, 58641, 97251, 136829, 410487, 748117, 2244351, 5236819, 8229287, 15710457, 24687861, 57605009, 172815027]

約数ペア:

[(1, 172815027), (3, 57605009), (7, 24687861), (11, 15710457), (21, 8229287), (33, 5236819), (77, 2244351), (231, 748117), (421, 410487), (1263, 136829), (1777, 97251), (2947, 58641), (4631, 37317), (5331, 32417), (8841, 19547), (12439, 13893)]