478695321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{7853}}^1$

素因数の和:8393

約数の個数: 24

約数和(自身を含む): 746161416

約数和(自身を除く): 267466095

約数列:

[1, 3, 9, 13, 39, 117, 521, 1563, 4689, 6773, 7853, 20319, 23559, 60957, 70677, 102089, 306267, 918801, 4091413, 12274239, 36822717, 53188369, 159565107, 478695321]

約数ペア:

[(1, 478695321), (3, 159565107), (9, 53188369), (13, 36822717), (39, 12274239), (117, 4091413), (521, 918801), (1563, 306267), (4689, 102089), (6773, 70677), (7853, 60957), (20319, 23559)]