389622663

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{8783}}^1$

素因数の和:8876

約数の個数: 32

約数和(自身を含む): 607150080

約数和(自身を除く): 217527417

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 477, 837, 1431, 1643, 4929, 8783, 14787, 26349, 44361, 79047, 237141, 272273, 465499, 816819, 1396497, 2450457, 4189491, 7351371, 12568473, 14430469, 43291407, 129874221, 389622663]

約数ペア:

[(1, 389622663), (3, 129874221), (9, 43291407), (27, 14430469), (31, 12568473), (53, 7351371), (93, 4189491), (159, 2450457), (279, 1396497), (477, 816819), (837, 465499), (1431, 272273), (1643, 237141), (4929, 79047), (8783, 44361), (14787, 26349)]