239893311

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6569}}^1$

素因数の和:6663

約数の個数: 32

約数和(自身を含む): 383477760

約数和(自身を除く): 143584449

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 6569, 12173, 19707, 36519, 45983, 137949, 243053, 308743, 729159, 926229, 1701371, 2161201, 5104113, 6483603, 11423491, 34270473, 79964437, 239893311]

約数ペア:

[(1, 239893311), (3, 79964437), (7, 34270473), (21, 11423491), (37, 6483603), (47, 5104113), (111, 2161201), (141, 1701371), (259, 926229), (329, 729159), (777, 308743), (987, 243053), (1739, 137949), (5217, 45983), (6569, 36519), (12173, 19707)]