211204071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20749}}^1$

素因数の和:20800

約数の個数: 32

約数和(自身を含む): 348600000

約数和(自身を除く): 137395929

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3393, 10179, 20749, 62247, 186741, 269737, 560223, 601721, 809211, 1805163, 2427633, 5415489, 7282899, 7822373, 16246467, 23467119, 70401357, 211204071]

約数ペア:

[(1, 211204071), (3, 70401357), (9, 23467119), (13, 16246467), (27, 7822373), (29, 7282899), (39, 5415489), (87, 2427633), (117, 1805163), (261, 809211), (351, 601721), (377, 560223), (783, 269737), (1131, 186741), (3393, 62247), (10179, 20749)]