217085835

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{1171}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 368589312

約数和(自身を除く): 151503477

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 727, 1171, 2181, 3513, 3635, 5855, 10905, 12359, 17565, 19907, 37077, 59721, 61795, 99535, 185385, 298605, 851317, 2553951, 4256585, 12769755, 14472389, 43417167, 72361945, 217085835]

約数ペア:

[(1, 217085835), (3, 72361945), (5, 43417167), (15, 14472389), (17, 12769755), (51, 4256585), (85, 2553951), (255, 851317), (727, 298605), (1171, 185385), (2181, 99535), (3513, 61795), (3635, 59721), (5855, 37077), (10905, 19907), (12359, 17565)]