201945681

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139369}}^1$

素因数の和:139405

約数の個数: 24

約数和(自身を含む): 347867520

約数和(自身を除く): 145921839

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 139369, 418107, 975583, 1254321, 2926749, 3205487, 8780247, 9616461, 22438409, 28849383, 67315227, 201945681]

約数ペア:

[(1, 201945681), (3, 67315227), (7, 28849383), (9, 22438409), (21, 9616461), (23, 8780247), (63, 3205487), (69, 2926749), (161, 1254321), (207, 975583), (483, 418107), (1449, 139369)]