2005394247

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{40609}}^1$

素因数の和:40708

約数の個数: 32

約数和(自身を含む): 3118848000

約数和(自身を除く): 1113453753

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 837, 1593, 1829, 5487, 16461, 40609, 49383, 121827, 365481, 1096443, 1258879, 2395931, 3776637, 7187793, 11329911, 21563379, 33989733, 64690137, 74273861, 222821583, 668464749, 2005394247]

約数ペア:

[(1, 2005394247), (3, 668464749), (9, 222821583), (27, 74273861), (31, 64690137), (59, 33989733), (93, 21563379), (177, 11329911), (279, 7187793), (531, 3776637), (837, 2395931), (1593, 1258879), (1829, 1096443), (5487, 365481), (16461, 121827), (40609, 49383)]