1245632013

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{260647}}^1$

素因数の和:260718

約数の個数: 20

約数和(自身を含む): 1892304480

約数和(自身を除く): 646672467

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 260647, 781941, 2345823, 7037469, 15378173, 21112407, 46134519, 138403557, 415210671, 1245632013]

約数ペア:

[(1, 1245632013), (3, 415210671), (9, 138403557), (27, 46134519), (59, 21112407), (81, 15378173), (177, 7037469), (531, 2345823), (1593, 781941), (4779, 260647)]