138900909

素因数分解:

$3^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{6491}}^1$

素因数の和:7520

約数の個数: 16

約数和(自身を含む): 211898880

約数和(自身を除く): 72997971

約数列:

[1, 3, 7, 21, 1019, 3057, 6491, 7133, 19473, 21399, 45437, 136311, 6614329, 19842987, 46300303, 138900909]

約数ペア:

[(1, 138900909), (3, 46300303), (7, 19842987), (21, 6614329), (1019, 136311), (3057, 45437), (6491, 21399), (7133, 19473)]