28975869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1091}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 45313632

約数和(自身を除く): 16337763

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 1091, 2043, 2951, 3273, 8853, 9819, 14183, 26559, 42549, 127647, 247657, 742971, 2228913, 3219541, 9658623, 28975869]

約数ペア:

[(1, 28975869), (3, 9658623), (9, 3219541), (13, 2228913), (39, 742971), (117, 247657), (227, 127647), (681, 42549), (1091, 26559), (2043, 14183), (2951, 9819), (3273, 8853)]