1720740.00000000

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 27717615

約数列:

[1, 3, 9, 17, 41, 51, 71, 103, 123, 153, 213, 309, 369, 639, 697, 927, 1207, 1751, 2091, 2911, 3621, 4223, 5253, 6273, 7313, 8733, 10863, 12669, 15759, 21939, 26199, 38007, 49487, 65817, 71791, 124321, 148461, 215373, 299833, 372963, 445383, 646119, 899499, 1118889, 2698497, 5097161, 15291483, 45874449]

約数ペア:

[(1, 45874449), (3, 15291483), (9, 5097161), (17, 2698497), (41, 1118889), (51, 899499), (71, 646119), (103, 445383), (123, 372963), (153, 299833), (213, 215373), (309, 148461), (369, 124321), (639, 71791), (697, 65817), (927, 49487), (1207, 38007), (1751, 26199), (2091, 21939), (2911, 15759), (3621, 12669), (4223, 10863), (5253, 8733), (6273, 7313)]