12197991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 17597664

約数和(自身を除く): 5399673

約数列:

[1, 3, 13, 39, 257, 771, 1217, 3341, 3651, 10023, 15821, 47463, 312769, 938307, 4065997, 12197991]

約数ペア:

[(1, 12197991), (3, 4065997), (13, 938307), (39, 312769), (257, 47463), (771, 15821), (1217, 10023), (3341, 3651)]