9987432819

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{145753}}^1$

素因数の和:146027

約数の個数: 32

約数和(自身を含む): 16455043584

約数和(自身を除く): 6467610765

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 753, 1757, 3263, 5271, 9789, 22841, 68523, 145753, 437259, 1020271, 1894789, 3060813, 5684367, 13263523, 36584003, 39790569, 109752009, 256088021, 475592039, 768264063, 1426776117, 3329144273, 9987432819]

約数ペア:

[(1, 9987432819), (3, 3329144273), (7, 1426776117), (13, 768264063), (21, 475592039), (39, 256088021), (91, 109752009), (251, 39790569), (273, 36584003), (753, 13263523), (1757, 5684367), (3263, 3060813), (5271, 1894789), (9789, 1020271), (22841, 437259), (68523, 145753)]