18231405

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2887}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 29249664

約数和(自身を除く): 11018259

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 2887, 6315, 8661, 14435, 43305, 1215427, 3646281, 6077135, 18231405]

約数ペア:

[(1, 18231405), (3, 6077135), (5, 3646281), (15, 1215427), (421, 43305), (1263, 14435), (2105, 8661), (2887, 6315)]