211340805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2503}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 365143296

約数和(自身を除く): 153802491

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 433, 1299, 2165, 2503, 5629, 6495, 7509, 12515, 16887, 28145, 32539, 37545, 84435, 97617, 162695, 488085, 1083799, 3251397, 5418995, 14089387, 16256985, 42268161, 70446935, 211340805]

約数ペア:

[(1, 211340805), (3, 70446935), (5, 42268161), (13, 16256985), (15, 14089387), (39, 5418995), (65, 3251397), (195, 1083799), (433, 488085), (1299, 162695), (2165, 97617), (2503, 84435), (5629, 37545), (6495, 32539), (7509, 28145), (12515, 16887)]