388306881

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{2677}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 571506624

約数和(自身を除く): 183199743

約数列:

[1, 3, 9, 71, 213, 227, 639, 681, 2043, 2677, 8031, 16117, 24093, 48351, 145053, 190067, 570201, 607679, 1710603, 1823037, 5469111, 43145209, 129435627, 388306881]

約数ペア:

[(1, 388306881), (3, 129435627), (9, 43145209), (71, 5469111), (213, 1823037), (227, 1710603), (639, 607679), (681, 570201), (2043, 190067), (2677, 145053), (8031, 48351), (16117, 24093)]