16571667

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 27256320

約数和(自身を除く): 10684653

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1013, 2337, 3039, 5453, 7091, 16359, 19247, 21273, 41533, 57741, 124599, 134729, 290731, 404187, 789127, 872193, 2367381, 5523889, 16571667]

約数ペア:

[(1, 16571667), (3, 5523889), (7, 2367381), (19, 872193), (21, 789127), (41, 404187), (57, 290731), (123, 134729), (133, 124599), (287, 57741), (399, 41533), (779, 21273), (861, 19247), (1013, 16359), (2337, 7091), (3039, 5453)]