12801519

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 18

約数和(自身を含む): 19022640

約数和(自身を除く): 6221121

約数列:

[1, 3, 9, 37, 111, 333, 1039, 1369, 3117, 4107, 9351, 12321, 38443, 115329, 345987, 1422391, 4267173, 12801519]

約数ペア:

[(1, 12801519), (3, 4267173), (9, 1422391), (37, 345987), (111, 115329), (333, 38443), (1039, 12321), (1369, 9351), (3117, 4107)]