15721212393

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{461}}^1\times {\mathrm{64223}}^1$

素因数の和:64749

約数の個数: 24

約数和(自身を含む): 23143760640

約数和(自身を除く): 7422548247

約数列:

[1, 3, 9, 59, 177, 461, 531, 1383, 4149, 27199, 64223, 81597, 192669, 244791, 578007, 3789157, 11367471, 29606803, 34102413, 88820409, 266461227, 1746801377, 5240404131, 15721212393]

約数ペア:

[(1, 15721212393), (3, 5240404131), (9, 1746801377), (59, 266461227), (177, 88820409), (461, 34102413), (531, 29606803), (1383, 11367471), (4149, 3789157), (27199, 578007), (64223, 244791), (81597, 192669)]