208545015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9413}}^1$

素因数の和:9639

約数の個数: 32

約数和(自身を含む): 383187456

約数和(自身を除く): 174642441

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 1055, 1477, 3165, 4431, 7385, 9413, 22155, 28239, 47065, 65891, 141195, 197673, 329455, 988365, 1986143, 5958429, 9930715, 13903001, 29792145, 41709003, 69515005, 208545015]

約数ペア:

[(1, 208545015), (3, 69515005), (5, 41709003), (7, 29792145), (15, 13903001), (21, 9930715), (35, 5958429), (105, 1986143), (211, 988365), (633, 329455), (1055, 197673), (1477, 141195), (3165, 65891), (4431, 47065), (7385, 28239), (9413, 22155)]