1901637

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1410

約数の個数: 20

約数和(自身を含む): 3009996

約数和(自身を除く): 1108359

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1381, 4143, 12429, 23477, 37287, 70431, 111861, 211293, 633879, 1901637]

約数ペア:

[(1, 1901637), (3, 633879), (9, 211293), (17, 111861), (27, 70431), (51, 37287), (81, 23477), (153, 12429), (459, 4143), (1377, 1381)]