212109969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{29921}}^1$

素因数の和:30080

約数の個数: 16

約数和(自身を含む): 301613760

約数和(自身を除く): 89503791

約数列:

[1, 3, 17, 51, 139, 417, 2363, 7089, 29921, 89763, 508657, 1525971, 4159019, 12477057, 70703323, 212109969]

約数ペア:

[(1, 212109969), (3, 70703323), (17, 12477057), (51, 4159019), (139, 1525971), (417, 508657), (2363, 89763), (7089, 29921)]