212828133

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{128287}}^1$

素因数の和:128376

約数の個数: 16

約数和(自身を含む): 328417280

約数和(自身を除く): 115589147

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 128287, 384861, 898009, 2694027, 10134673, 30404019, 70942711, 212828133]

約数ペア:

[(1, 212828133), (3, 70942711), (7, 30404019), (21, 10134673), (79, 2694027), (237, 898009), (553, 384861), (1659, 128287)]