157220505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15809}}^1$

素因数の和:15850

約数の個数: 48

約数和(自身を含む): 310761360

約数和(自身を除く): 153540855

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 15809, 47427, 79045, 142281, 205517, 237135, 268753, 616551, 711405, 806259, 1027585, 1343765, 1849653, 2418777, 3082755, 3493789, 4031295, 9248265, 10481367, 12093885, 17468945, 31444101, 52406835, 157220505]

約数ペア:

[(1, 157220505), (3, 52406835), (5, 31444101), (9, 17468945), (13, 12093885), (15, 10481367), (17, 9248265), (39, 4031295), (45, 3493789), (51, 3082755), (65, 2418777), (85, 1849653), (117, 1343765), (153, 1027585), (195, 806259), (221, 711405), (255, 616551), (585, 268753), (663, 237135), (765, 205517), (1105, 142281), (1989, 79045), (3315, 47427), (9945, 15809)]