17621979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 8795685

約数列:

[1, 3, 17, 23, 51, 69, 83, 181, 249, 391, 543, 1173, 1411, 1909, 3077, 4163, 4233, 5727, 9231, 12489, 15023, 32453, 45069, 70771, 97359, 212313, 255391, 345529, 766173, 1036587, 5873993, 17621979]

約数ペア:

[(1, 17621979), (3, 5873993), (17, 1036587), (23, 766173), (51, 345529), (69, 255391), (83, 212313), (181, 97359), (249, 70771), (391, 45069), (543, 32453), (1173, 15023), (1411, 12489), (1909, 9231), (3077, 5727), (4163, 4233)]