13381281

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 20442240

約数和(自身を除く): 7060959

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1039, 1431, 3117, 4293, 9351, 12879, 28053, 55067, 84159, 165201, 252477, 495603, 1486809, 4460427, 13381281]

約数ペア:

[(1, 13381281), (3, 4460427), (9, 1486809), (27, 495603), (53, 252477), (81, 165201), (159, 84159), (243, 55067), (477, 28053), (1039, 12879), (1431, 9351), (3117, 4293)]