158389947

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{6761}}^1$

素因数の和:6923

約数の個数: 24

約数和(自身を含む): 242620560

約数和(自身を除く): 84230613

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 1233, 2603, 6761, 7809, 20283, 23427, 60849, 128459, 385377, 926257, 1156131, 2778771, 8336313, 17598883, 52796649, 158389947]

約数ペア:

[(1, 158389947), (3, 52796649), (9, 17598883), (19, 8336313), (57, 2778771), (137, 1156131), (171, 926257), (411, 385377), (1233, 128459), (2603, 60849), (6761, 23427), (7809, 20283)]