81629109

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 120533400

約数和(自身を除く): 38904291

約数列:

[1, 3, 9, 89, 101, 267, 303, 801, 909, 1009, 3027, 8989, 9081, 26967, 80901, 89801, 101909, 269403, 305727, 808209, 917181, 9069901, 27209703, 81629109]

約数ペア:

[(1, 81629109), (3, 27209703), (9, 9069901), (89, 917181), (101, 808209), (267, 305727), (303, 269403), (801, 101909), (909, 89801), (1009, 80901), (3027, 26967), (8989, 9081)]