404392005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3803}}^1$

素因数の和:3970

約数の個数: 48

約数和(自身を含む): 747714240

約数和(自身を除く): 343322235

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 139, 153, 255, 417, 695, 765, 1251, 2085, 2363, 3803, 6255, 7089, 11409, 11815, 19015, 21267, 34227, 35445, 57045, 64651, 106335, 171135, 193953, 323255, 528617, 581859, 969765, 1585851, 2643085, 2909295, 4757553, 7929255, 8986489, 23787765, 26959467, 44932445, 80878401, 134797335, 404392005]

約数ペア:

[(1, 404392005), (3, 134797335), (5, 80878401), (9, 44932445), (15, 26959467), (17, 23787765), (45, 8986489), (51, 7929255), (85, 4757553), (139, 2909295), (153, 2643085), (255, 1585851), (417, 969765), (695, 581859), (765, 528617), (1251, 323255), (2085, 193953), (2363, 171135), (3803, 106335), (6255, 64651), (7089, 57045), (11409, 35445), (11815, 34227), (19015, 21267)]