12789273

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2731}}^1$

素因数の和:2964

約数の個数: 16

約数和(自身を含む): 19582976

約数和(自身を除く): 6793703

約数列:

[1, 3, 7, 21, 223, 669, 1561, 2731, 4683, 8193, 19117, 57351, 609013, 1827039, 4263091, 12789273]

約数ペア:

[(1, 12789273), (3, 4263091), (7, 1827039), (21, 609013), (223, 57351), (669, 19117), (1561, 8193), (2731, 4683)]