16789977

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 27340800

約数和(自身を除く): 10550823

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1423, 3933, 4269, 11799, 12807, 27037, 32729, 38421, 81111, 98187, 243333, 294561, 621851, 729999, 883683, 1865553, 5596659, 16789977]

約数ペア:

[(1, 16789977), (3, 5596659), (9, 1865553), (19, 883683), (23, 729999), (27, 621851), (57, 294561), (69, 243333), (171, 98187), (207, 81111), (437, 38421), (513, 32729), (621, 27037), (1311, 12807), (1423, 11799), (3933, 4269)]