208022985

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2969}}^1$

素因数の和:3159

約数の個数: 40

約数和(自身を含む): 375182280

約数和(自身を除く): 167159295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 405, 519, 865, 1557, 2595, 2969, 4671, 7785, 8907, 14013, 14845, 23355, 26721, 44535, 70065, 80163, 133605, 240489, 400815, 513637, 1202445, 1540911, 2568185, 4622733, 7704555, 13868199, 23113665, 41604597, 69340995, 208022985]

約数ペア:

[(1, 208022985), (3, 69340995), (5, 41604597), (9, 23113665), (15, 13868199), (27, 7704555), (45, 4622733), (81, 2568185), (135, 1540911), (173, 1202445), (405, 513637), (519, 400815), (865, 240489), (1557, 133605), (2595, 80163), (2969, 70065), (4671, 44535), (7785, 26721), (8907, 23355), (14013, 14845)]