1890369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 2987712

約数和(自身を除く): 1097343

約数列:

[1, 3, 9, 13, 39, 107, 117, 151, 321, 453, 963, 1359, 1391, 1963, 4173, 5889, 12519, 16157, 17667, 48471, 145413, 210041, 630123, 1890369]

約数ペア:

[(1, 1890369), (3, 630123), (9, 210041), (13, 145413), (39, 48471), (107, 17667), (117, 16157), (151, 12519), (321, 5889), (453, 4173), (963, 1963), (1359, 1391)]