38640357

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1699}}^1$

素因数の和:1750

約数の個数: 36

約数和(自身を含む): 67360800

約数和(自身を除く): 28720443

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 1699, 2527, 3249, 5097, 7581, 11893, 15291, 22743, 32281, 35679, 96843, 107037, 225967, 290529, 613339, 677901, 1840017, 2033703, 4293373, 5520051, 12880119, 38640357]

約数ペア:

[(1, 38640357), (3, 12880119), (7, 5520051), (9, 4293373), (19, 2033703), (21, 1840017), (57, 677901), (63, 613339), (133, 290529), (171, 225967), (361, 107037), (399, 96843), (1083, 35679), (1197, 32281), (1699, 22743), (2527, 15291), (3249, 11893), (5097, 7581)]