28393407

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15541}}^1$

素因数の和:15583

約数の個数: 24

約数和(自身を含む): 48491040

約数和(自身を除く): 20097633

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15541, 46623, 108787, 139869, 326361, 450689, 979083, 1352067, 3154823, 4056201, 9464469, 28393407]

約数ペア:

[(1, 28393407), (3, 9464469), (7, 4056201), (9, 3154823), (21, 1352067), (29, 979083), (63, 450689), (87, 326361), (203, 139869), (261, 108787), (609, 46623), (1827, 15541)]