307831221

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{1549}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 452649600

約数和(自身を除く): 144818379

約数列:

[1, 3, 9, 71, 213, 311, 639, 933, 1549, 2799, 4647, 13941, 22081, 66243, 109979, 198729, 329937, 481739, 989811, 1445217, 4335651, 34203469, 102610407, 307831221]

約数ペア:

[(1, 307831221), (3, 102610407), (9, 34203469), (71, 4335651), (213, 1445217), (311, 989811), (639, 481739), (933, 329937), (1549, 198729), (2799, 109979), (4647, 66243), (13941, 22081)]