1664247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 2414720

約数和(自身を除く): 750473

約数列:

[1, 3, 13, 39, 139, 307, 417, 921, 1807, 3991, 5421, 11973, 42673, 128019, 554749, 1664247]

約数ペア:

[(1, 1664247), (3, 554749), (13, 128019), (39, 42673), (139, 11973), (307, 5421), (417, 3991), (921, 1807)]