39905091

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 59829120

約数和(自身を除く): 19924029

約数列:

[1, 3, 9, 31, 93, 279, 281, 509, 843, 1527, 2529, 4581, 8711, 15779, 26133, 47337, 78399, 142011, 143029, 429087, 1287261, 4433899, 13301697, 39905091]

約数ペア:

[(1, 39905091), (3, 13301697), (9, 4433899), (31, 1287261), (93, 429087), (279, 143029), (281, 142011), (509, 78399), (843, 47337), (1527, 26133), (2529, 15779), (4581, 8711)]