16381617

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10987}}^1$

素因数の和:11068

約数の個数: 16

約数和(自身を含む): 25316352

約数和(自身を除く): 8934735

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 10987, 32961, 76909, 230727, 780077, 2340231, 5460539, 16381617]

約数ペア:

[(1, 16381617), (3, 5460539), (7, 2340231), (21, 780077), (71, 230727), (213, 76909), (497, 32961), (1491, 10987)]