1981338123

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1\times {\mathrm{971}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 2808317952

約数和(自身を除く): 826979829

約数列:

[1, 3, 31, 37, 93, 111, 593, 971, 1147, 1779, 2913, 3441, 18383, 21941, 30101, 35927, 55149, 65823, 90303, 107781, 575803, 680171, 1113737, 1727409, 2040513, 3341211, 17849893, 21304711, 53549679, 63914133, 660446041, 1981338123]

約数ペア:

[(1, 1981338123), (3, 660446041), (31, 63914133), (37, 53549679), (93, 21304711), (111, 17849893), (593, 3341211), (971, 2040513), (1147, 1727409), (1779, 1113737), (2913, 680171), (3441, 575803), (18383, 107781), (21941, 90303), (30101, 65823), (35927, 55149)]