208386765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 384561216

約数和(自身を除く): 176174451

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 211, 255, 633, 765, 1055, 1291, 1899, 3165, 3587, 3873, 6455, 9495, 10761, 11619, 17935, 19365, 21947, 32283, 53805, 58095, 65841, 109735, 161415, 197523, 272401, 329205, 817203, 987615, 1362005, 2451609, 4086015, 4630817, 12258045, 13892451, 23154085, 41677353, 69462255, 208386765]

約数ペア:

[(1, 208386765), (3, 69462255), (5, 41677353), (9, 23154085), (15, 13892451), (17, 12258045), (45, 4630817), (51, 4086015), (85, 2451609), (153, 1362005), (211, 987615), (255, 817203), (633, 329205), (765, 272401), (1055, 197523), (1291, 161415), (1899, 109735), (3165, 65841), (3587, 58095), (3873, 53805), (6455, 32283), (9495, 21947), (10761, 19365), (11619, 17935)]