449969457

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{4493}}^1$

素因数の和:4773

約数の個数: 32

約数和(自身を含む): 724792320

約数和(自身を除く): 274822863

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 753, 1757, 4493, 4769, 5271, 13479, 14307, 31451, 33383, 85367, 94353, 100149, 256101, 597569, 1127743, 1792707, 3383229, 7894201, 21427117, 23682603, 64281351, 149989819, 449969457]

約数ペア:

[(1, 449969457), (3, 149989819), (7, 64281351), (19, 23682603), (21, 21427117), (57, 7894201), (133, 3383229), (251, 1792707), (399, 1127743), (753, 597569), (1757, 256101), (4493, 100149), (4769, 94353), (5271, 85367), (13479, 33383), (14307, 31451)]