1809745281

素因数分解:

$3^3\times {\mathrm{773}}^1\times {\mathrm{86711}}^1$

素因数の和:87493

約数の個数: 16

約数和(自身を含む): 2684603520

約数和(自身を除く): 874858239

約数列:

[1, 3, 9, 27, 773, 2319, 6957, 20871, 86711, 260133, 780399, 2341197, 67027603, 201082809, 603248427, 1809745281]

約数ペア:

[(1, 1809745281), (3, 603248427), (9, 201082809), (27, 67027603), (773, 2341197), (2319, 780399), (6957, 260133), (20871, 86711)]