1972737

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1297}}^1$

素因数の和:1329

約数の個数: 18

約数和(自身を含む): 3087942

約数和(自身を除く): 1115205

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1297, 1521, 3891, 11673, 16861, 50583, 151749, 219193, 657579, 1972737]

約数ペア:

[(1, 1972737), (3, 657579), (9, 219193), (13, 151749), (39, 50583), (117, 16861), (169, 11673), (507, 3891), (1297, 1521)]