28763109

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 42471000

約数和(自身を除く): 13707891

約数列:

[1, 3, 9, 89, 149, 241, 267, 447, 723, 801, 1341, 2169, 13261, 21449, 35909, 39783, 64347, 107727, 119349, 193041, 323181, 3195901, 9587703, 28763109]

約数ペア:

[(1, 28763109), (3, 9587703), (9, 3195901), (89, 323181), (149, 193041), (241, 119349), (267, 107727), (447, 64347), (723, 39783), (801, 35909), (1341, 21449), (2169, 13261)]