1262709

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 2299968

約数和(自身を除く): 1037259

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 131, 153, 189, 357, 393, 459, 567, 917, 1071, 1179, 1377, 2227, 2751, 3213, 3537, 6681, 8253, 9639, 10611, 15589, 20043, 24759, 46767, 60129, 74277, 140301, 180387, 420903, 1262709]

約数ペア:

[(1, 1262709), (3, 420903), (7, 180387), (9, 140301), (17, 74277), (21, 60129), (27, 46767), (51, 24759), (63, 20043), (81, 15589), (119, 10611), (131, 9639), (153, 8253), (189, 6681), (357, 3537), (393, 3213), (459, 2751), (567, 2227), (917, 1377), (1071, 1179)]