260072019

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{506963}}^1$

素因数の和:506991

約数の個数: 16

約数和(自身を含む): 405571200

約数和(自身を除く): 145499181

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 506963, 1520889, 4562667, 9632297, 13688001, 28896891, 86690673, 260072019]

約数ペア:

[(1, 260072019), (3, 86690673), (9, 28896891), (19, 13688001), (27, 9632297), (57, 4562667), (171, 1520889), (513, 506963)]