2011473

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1338

約数の個数: 20

約数和(自身を含む): 3165360

約数和(自身を除く): 1153887

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1307, 1539, 3921, 11763, 24833, 35289, 74499, 105867, 223497, 670491, 2011473]

約数ペア:

[(1, 2011473), (3, 670491), (9, 223497), (19, 105867), (27, 74499), (57, 35289), (81, 24833), (171, 11763), (513, 3921), (1307, 1539)]