28677159

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 51297792

約数和(自身を除く): 22620633

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 733, 1449, 1701, 1863, 2199, 4347, 5131, 5589, 6597, 13041, 15393, 16859, 19791, 39123, 46179, 50577, 59373, 118013, 138537, 151731, 178119, 354039, 415611, 455193, 1062117, 1246833, 1365579, 3186351, 4096737, 9559053, 28677159]

約数ペア:

[(1, 28677159), (3, 9559053), (7, 4096737), (9, 3186351), (21, 1365579), (23, 1246833), (27, 1062117), (63, 455193), (69, 415611), (81, 354039), (161, 178119), (189, 151731), (207, 138537), (243, 118013), (483, 59373), (567, 50577), (621, 46179), (733, 39123), (1449, 19791), (1701, 16859), (1863, 15393), (2199, 13041), (4347, 6597), (5131, 5589)]