309702981

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 505612800

約数和(自身を除く): 195909819

約数列:

[1, 3, 7, 21, 23, 49, 69, 139, 147, 161, 417, 483, 659, 973, 1127, 1977, 2919, 3197, 3381, 4613, 6811, 9591, 13839, 15157, 20433, 22379, 32291, 45471, 67137, 91601, 96873, 106099, 156653, 274803, 318297, 469959, 641207, 742693, 1923621, 2106823, 2228079, 4488449, 6320469, 13465347, 14747761, 44243283, 103234327, 309702981]

約数ペア:

[(1, 309702981), (3, 103234327), (7, 44243283), (21, 14747761), (23, 13465347), (49, 6320469), (69, 4488449), (139, 2228079), (147, 2106823), (161, 1923621), (417, 742693), (483, 641207), (659, 469959), (973, 318297), (1127, 274803), (1977, 156653), (2919, 106099), (3197, 96873), (3381, 91601), (4613, 67137), (6811, 45471), (9591, 32291), (13839, 22379), (15157, 20433)]