138304047

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 214562304

約数和(自身を除く): 76258257

約数列:

[1, 3, 7, 21, 101, 197, 303, 331, 591, 707, 993, 1379, 2121, 2317, 4137, 6951, 19897, 33431, 59691, 65207, 100293, 139279, 195621, 234017, 417837, 456449, 702051, 1369347, 6585907, 19757721, 46101349, 138304047]

約数ペア:

[(1, 138304047), (3, 46101349), (7, 19757721), (21, 6585907), (101, 1369347), (197, 702051), (303, 456449), (331, 417837), (591, 234017), (707, 195621), (993, 139279), (1379, 100293), (2121, 65207), (2317, 59691), (4137, 33431), (6951, 19897)]