208502481

素因数分解:

$3^1\times {\mathrm{11}}^4\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 315400320

約数和(自身を除く): 106897839

約数列:

[1, 3, 11, 33, 47, 101, 121, 141, 303, 363, 517, 1111, 1331, 1551, 3333, 3993, 4747, 5687, 12221, 14241, 14641, 17061, 36663, 43923, 52217, 62557, 134431, 156651, 187671, 403293, 574387, 688127, 1478741, 1723161, 2064381, 4436223, 6318257, 18954771, 69500827, 208502481]

約数ペア:

[(1, 208502481), (3, 69500827), (11, 18954771), (33, 6318257), (47, 4436223), (101, 2064381), (121, 1723161), (141, 1478741), (303, 688127), (363, 574387), (517, 403293), (1111, 187671), (1331, 156651), (1551, 134431), (3333, 62557), (3993, 52217), (4747, 43923), (5687, 36663), (12221, 17061), (14241, 14641)]