16987635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 16957965

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 271, 315, 597, 813, 995, 1355, 1393, 1791, 1897, 2439, 2985, 4065, 4179, 5691, 6965, 8955, 9485, 12195, 12537, 17073, 20895, 28455, 53929, 62685, 85365, 161787, 269645, 377503, 485361, 808935, 1132509, 1887515, 2426805, 3397527, 5662545, 16987635]

約数ペア:

[(1, 16987635), (3, 5662545), (5, 3397527), (7, 2426805), (9, 1887515), (15, 1132509), (21, 808935), (35, 485361), (45, 377503), (63, 269645), (105, 161787), (199, 85365), (271, 62685), (315, 53929), (597, 28455), (813, 20895), (995, 17073), (1355, 12537), (1393, 12195), (1791, 9485), (1897, 8955), (2439, 6965), (2985, 5691), (4065, 4179)]