28016577

素因数分解:

$3^3\times {\mathrm{89}}^2\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 24

約数和(自身を含む): 42298080

約数和(自身を除く): 14281503

約数列:

[1, 3, 9, 27, 89, 131, 267, 393, 801, 1179, 2403, 3537, 7921, 11659, 23763, 34977, 71289, 104931, 213867, 314793, 1037651, 3112953, 9338859, 28016577]

約数ペア:

[(1, 28016577), (3, 9338859), (9, 3112953), (27, 1037651), (89, 314793), (131, 213867), (267, 104931), (393, 71289), (801, 34977), (1179, 23763), (2403, 11659), (3537, 7921)]