28213263

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 44090592

約数和(自身を除く): 15877329

約数列:

[1, 3, 9, 13, 39, 117, 293, 823, 879, 2469, 2637, 3809, 7407, 10699, 11427, 32097, 34281, 96291, 241139, 723417, 2170251, 3134807, 9404421, 28213263]

約数ペア:

[(1, 28213263), (3, 9404421), (9, 3134807), (13, 2170251), (39, 723417), (117, 241139), (293, 96291), (823, 34281), (879, 32097), (2469, 11427), (2637, 10699), (3809, 7407)]