201831279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 304066560

約数和(自身を除く): 102235281

約数列:

[1, 3, 13, 23, 39, 69, 223, 299, 669, 897, 1009, 2899, 3027, 5129, 8697, 13117, 15387, 23207, 39351, 66677, 69621, 200031, 225007, 301691, 675021, 905073, 2925091, 5175161, 8775273, 15525483, 67277093, 201831279]

約数ペア:

[(1, 201831279), (3, 67277093), (13, 15525483), (23, 8775273), (39, 5175161), (69, 2925091), (223, 905073), (299, 675021), (669, 301691), (897, 225007), (1009, 200031), (2899, 69621), (3027, 66677), (5129, 39351), (8697, 23207), (13117, 15387)]