28040535

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21487}}^1$

素因数の和:21527

約数の個数: 24

約数和(自身を含む): 50281920

約数和(自身を除く): 22241385

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21487, 64461, 107435, 193383, 322305, 623123, 966915, 1869369, 3115615, 5608107, 9346845, 28040535]

約数ペア:

[(1, 28040535), (3, 9346845), (5, 5608107), (9, 3115615), (15, 1869369), (29, 966915), (45, 623123), (87, 322305), (145, 193383), (261, 107435), (435, 64461), (1305, 21487)]