239337

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 411840

約数和(自身を除く): 172503

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 203, 261, 393, 609, 917, 1179, 1827, 2751, 3799, 8253, 11397, 26593, 34191, 79779, 239337]

約数ペア:

[(1, 239337), (3, 79779), (7, 34191), (9, 26593), (21, 11397), (29, 8253), (63, 3799), (87, 2751), (131, 1827), (203, 1179), (261, 917), (393, 609)]