399366909

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3491}}^1$

素因数の和:3742

約数の個数: 32

約数和(自身を含む): 625766400

約数和(自身を除く): 226399491

約数列:

[1, 3, 9, 19, 27, 57, 171, 223, 513, 669, 2007, 3491, 4237, 6021, 10473, 12711, 31419, 38133, 66329, 94257, 114399, 198987, 596961, 778493, 1790883, 2335479, 7006437, 14791367, 21019311, 44374101, 133122303, 399366909]

約数ペア:

[(1, 399366909), (3, 133122303), (9, 44374101), (19, 21019311), (27, 14791367), (57, 7006437), (171, 2335479), (223, 1790883), (513, 778493), (669, 596961), (2007, 198987), (3491, 114399), (4237, 94257), (6021, 66329), (10473, 38133), (12711, 31419)]