20145121497

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4312807}}^1$

素因数の和:4312989

約数の個数: 16

約数和(自身を含む): 30017143680

約数和(自身を除く): 9872022183

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 4312807, 12938421, 38815263, 116445789, 746115611, 2238346833, 6715040499, 20145121497]

約数ペア:

[(1, 20145121497), (3, 6715040499), (9, 2238346833), (27, 746115611), (173, 116445789), (519, 38815263), (1557, 12938421), (4671, 4312807)]