1387947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 16

約数和(自身を含む): 2040192

約数和(自身を除く): 652245

約数列:

[1, 3, 11, 33, 137, 307, 411, 921, 1507, 3377, 4521, 10131, 42059, 126177, 462649, 1387947]

約数ペア:

[(1, 1387947), (3, 462649), (11, 126177), (33, 42059), (137, 10131), (307, 4521), (411, 3377), (921, 1507)]