206886555

素因数分解:

$3^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:503

約数の個数: 56

約数和(自身を含む): 375379920

約数和(自身を除く): 168493365

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 243, 269, 405, 633, 729, 807, 1055, 1215, 1345, 1899, 2421, 3165, 3645, 4035, 5697, 7263, 9495, 12105, 17091, 21789, 28485, 36315, 51273, 56759, 65367, 85455, 108945, 153819, 170277, 196101, 256365, 283795, 326835, 510831, 769095, 851385, 980505, 1532493, 2554155, 4597479, 7662465, 13792437, 22987395, 41377311, 68962185, 206886555]

約数ペア:

[(1, 206886555), (3, 68962185), (5, 41377311), (9, 22987395), (15, 13792437), (27, 7662465), (45, 4597479), (81, 2554155), (135, 1532493), (211, 980505), (243, 851385), (269, 769095), (405, 510831), (633, 326835), (729, 283795), (807, 256365), (1055, 196101), (1215, 170277), (1345, 153819), (1899, 108945), (2421, 85455), (3165, 65367), (3645, 56759), (4035, 51273), (5697, 36315), (7263, 28485), (9495, 21789), (12105, 17091)]