12980409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1993}}^1$

素因数の和:2176

約数の個数: 16

約数和(自身を含む): 18759552

約数和(自身を除く): 5779143

約数列:

[1, 3, 13, 39, 167, 501, 1993, 2171, 5979, 6513, 25909, 77727, 332831, 998493, 4326803, 12980409]

約数ペア:

[(1, 12980409), (3, 4326803), (13, 998493), (39, 332831), (167, 77727), (501, 25909), (1993, 6513), (2171, 5979)]