1891431

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1260

約数の個数: 20

約数和(自身を含む): 2976600

約数和(自身を除く): 1085169

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1229, 1539, 3687, 11061, 23351, 33183, 70053, 99549, 210159, 630477, 1891431]

約数ペア:

[(1, 1891431), (3, 630477), (9, 210159), (19, 99549), (27, 70053), (57, 33183), (81, 23351), (171, 11061), (513, 3687), (1229, 1539)]