213285267

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{140227}}^1$

素因数の和:140259

約数の個数: 18

約数和(自身を含む): 333602412

約数和(自身を除く): 120317145

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 140227, 420681, 1262043, 1822951, 5468853, 16406559, 23698363, 71095089, 213285267]

約数ペア:

[(1, 213285267), (3, 71095089), (9, 23698363), (13, 16406559), (39, 5468853), (117, 1822951), (169, 1262043), (507, 420681), (1521, 140227)]