201178431

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 306915840

約数和(自身を除く): 105737409

約数列:

[1, 3, 9, 27, 41, 123, 263, 369, 691, 789, 1107, 2073, 2367, 6219, 7101, 10783, 18657, 28331, 32349, 84993, 97047, 181733, 254979, 291141, 545199, 764937, 1635597, 4906791, 7451053, 22353159, 67059477, 201178431]

約数ペア:

[(1, 201178431), (3, 67059477), (9, 22353159), (27, 7451053), (41, 4906791), (123, 1635597), (263, 764937), (369, 545199), (691, 291141), (789, 254979), (1107, 181733), (2073, 97047), (2367, 84993), (6219, 32349), (7101, 28331), (10783, 18657)]