210961503

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{137077}}^1$

素因数の和:137108

約数の個数: 20

約数和(自身を含む): 331728760

約数和(自身を除く): 120767257

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 137077, 411231, 1233693, 2604463, 3701079, 7813389, 11103237, 23440167, 70320501, 210961503]

約数ペア:

[(1, 210961503), (3, 70320501), (9, 23440167), (19, 11103237), (27, 7813389), (57, 3701079), (81, 2604463), (171, 1233693), (513, 411231), (1539, 137077)]