318206031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20047}}^1$

素因数の和:20111

約数の個数: 32

約数和(自身を含む): 511945728

約数和(自身を除く): 193739697

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 15873, 20047, 60141, 220517, 260611, 661551, 741739, 781833, 2225217, 2866721, 8159129, 8600163, 9642607, 24477387, 28927821, 106068677, 318206031]

約数ペア:

[(1, 318206031), (3, 106068677), (11, 28927821), (13, 24477387), (33, 9642607), (37, 8600163), (39, 8159129), (111, 2866721), (143, 2225217), (407, 781833), (429, 741739), (481, 661551), (1221, 260611), (1443, 220517), (5291, 60141), (15873, 20047)]