204128709

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 292118400

約数和(自身を除く): 87989691

約数列:

[1, 3, 29, 41, 87, 89, 123, 267, 643, 1189, 1929, 2581, 3567, 3649, 7743, 10947, 18647, 26363, 55941, 57227, 79089, 105821, 171681, 317463, 764527, 1659583, 2293581, 2346307, 4978749, 7038921, 68042903, 204128709]

約数ペア:

[(1, 204128709), (3, 68042903), (29, 7038921), (41, 4978749), (87, 2346307), (89, 2293581), (123, 1659583), (267, 764527), (643, 317463), (1189, 171681), (1929, 105821), (2581, 79089), (3567, 57227), (3649, 55941), (7743, 26363), (10947, 18647)]