28022865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 48698496

約数和(自身を除く): 20675631

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1097, 1703, 1965, 3291, 5109, 5485, 8515, 14261, 16455, 25545, 42783, 71305, 143707, 213915, 431121, 718535, 1868191, 2155605, 5604573, 9340955, 28022865]

約数ペア:

[(1, 28022865), (3, 9340955), (5, 5604573), (13, 2155605), (15, 1868191), (39, 718535), (65, 431121), (131, 213915), (195, 143707), (393, 71305), (655, 42783), (1097, 25545), (1703, 16455), (1965, 14261), (3291, 8515), (5109, 5485)]