20171249847

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5248829}}^1$

素因数の和:5248903

約数の個数: 24

約数和(自身を含む): 33844455840

約数和(自身を除く): 13673205993

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5248829, 15746487, 36741803, 47239461, 110225409, 320178569, 330676227, 960535707, 2241249983, 2881607121, 6723749949, 20171249847]

約数ペア:

[(1, 20171249847), (3, 6723749949), (7, 2881607121), (9, 2241249983), (21, 960535707), (61, 330676227), (63, 320178569), (183, 110225409), (427, 47239461), (549, 36741803), (1281, 15746487), (3843, 5248829)]