620709507

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{31193}}^1$

素因数の和:31280

約数の個数: 32

約数和(自身を含む): 1018172160

約数和(自身を除く): 397462653

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1809, 2211, 6633, 19899, 31193, 93579, 280737, 343123, 842211, 1029369, 2089931, 3088107, 6269793, 9264321, 18809379, 22989241, 56428137, 68967723, 206903169, 620709507]

約数ペア:

[(1, 620709507), (3, 206903169), (9, 68967723), (11, 56428137), (27, 22989241), (33, 18809379), (67, 9264321), (99, 6269793), (201, 3088107), (297, 2089931), (603, 1029369), (737, 842211), (1809, 343123), (2211, 280737), (6633, 93579), (19899, 31193)]