291220467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 421893120

約数和(自身を除く): 130672653

約数列:

[1, 3, 19, 43, 57, 129, 131, 393, 817, 907, 2451, 2489, 2721, 5633, 7467, 16899, 17233, 39001, 51699, 107027, 117003, 118817, 321081, 356451, 741019, 2223057, 2257523, 5109131, 6772569, 15327393, 97073489, 291220467]

約数ペア:

[(1, 291220467), (3, 97073489), (19, 15327393), (43, 6772569), (57, 5109131), (129, 2257523), (131, 2223057), (393, 741019), (817, 356451), (907, 321081), (2451, 118817), (2489, 117003), (2721, 107027), (5633, 51699), (7467, 39001), (16899, 17233)]