157755717

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19717}}^1$

素因数の和:19857

約数の個数: 24

約数和(自身を含む): 262486016

約数和(自身を除く): 104730299

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 19717, 59151, 138019, 177453, 414057, 1242171, 2504059, 7512177, 17528413, 22536531, 52585239, 157755717]

約数ペア:

[(1, 157755717), (3, 52585239), (7, 22536531), (9, 17528413), (21, 7512177), (63, 2504059), (127, 1242171), (381, 414057), (889, 177453), (1143, 138019), (2667, 59151), (8001, 19717)]