206819655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103669}}^1$

素因数の和:103703

約数の個数: 32

約数和(自身を含む): 398092800

約数和(自身を除く): 191273145

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 103669, 311007, 518345, 725683, 1555035, 1969711, 2177049, 3628415, 5909133, 9848555, 10885245, 13787977, 29545665, 41363931, 68939885, 206819655]

約数ペア:

[(1, 206819655), (3, 68939885), (5, 41363931), (7, 29545665), (15, 13787977), (19, 10885245), (21, 9848555), (35, 5909133), (57, 3628415), (95, 2177049), (105, 1969711), (133, 1555035), (285, 725683), (399, 518345), (665, 311007), (1995, 103669)]