157020831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 254741760

約数和(自身を除く): 97720929

約数列:

[1, 3, 9, 11, 33, 71, 89, 99, 213, 251, 267, 639, 753, 781, 801, 979, 2259, 2343, 2761, 2937, 6319, 7029, 8283, 8811, 17821, 18957, 22339, 24849, 53463, 56871, 67017, 69509, 160389, 196031, 201051, 208527, 245729, 588093, 625581, 737187, 1586069, 1764279, 2211561, 4758207, 14274621, 17446759, 52340277, 157020831]

約数ペア:

[(1, 157020831), (3, 52340277), (9, 17446759), (11, 14274621), (33, 4758207), (71, 2211561), (89, 1764279), (99, 1586069), (213, 737187), (251, 625581), (267, 588093), (639, 245729), (753, 208527), (781, 201051), (801, 196031), (979, 160389), (2259, 69509), (2343, 67017), (2761, 56871), (2937, 53463), (6319, 24849), (7029, 22339), (8283, 18957), (8811, 17821)]