256885551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{95461}}^1$

素因数の和:95503

約数の個数: 24

約数和(自身を含む): 416978016

約数和(自身を除く): 160092465

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 95461, 286383, 859149, 1240993, 2195603, 3722979, 6586809, 11168937, 19760427, 28542839, 85628517, 256885551]

約数ペア:

[(1, 256885551), (3, 85628517), (9, 28542839), (13, 19760427), (23, 11168937), (39, 6586809), (69, 3722979), (117, 2195603), (207, 1240993), (299, 859149), (897, 286383), (2691, 95461)]