16420728285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{315389}}^1$

素因数の和:315502

約数の個数: 48

約数和(自身を含む): 30996529200

約数和(自身を除く): 14575800915

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 89, 117, 195, 267, 445, 585, 801, 1157, 1335, 3471, 4005, 5785, 10413, 17355, 52065, 315389, 946167, 1576945, 2838501, 4100057, 4730835, 12300171, 14192505, 20500285, 28069621, 36900513, 61500855, 84208863, 140348105, 184502565, 252626589, 364905073, 421044315, 1094715219, 1263132945, 1824525365, 3284145657, 5473576095, 16420728285]

約数ペア:

[(1, 16420728285), (3, 5473576095), (5, 3284145657), (9, 1824525365), (13, 1263132945), (15, 1094715219), (39, 421044315), (45, 364905073), (65, 252626589), (89, 184502565), (117, 140348105), (195, 84208863), (267, 61500855), (445, 36900513), (585, 28069621), (801, 20500285), (1157, 14192505), (1335, 12300171), (3471, 4730835), (4005, 4100057), (5785, 2838501), (10413, 1576945), (17355, 946167), (52065, 315389)]