203155239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2243}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 124289241

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 399, 681, 1589, 2243, 4313, 4767, 6729, 12939, 15701, 30191, 42617, 47103, 90573, 127851, 298319, 509161, 894957, 1527483, 3564127, 9674059, 10692381, 29022177, 67718413, 203155239]

約数ペア:

[(1, 203155239), (3, 67718413), (7, 29022177), (19, 10692381), (21, 9674059), (57, 3564127), (133, 1527483), (227, 894957), (399, 509161), (681, 298319), (1589, 127851), (2243, 90573), (4313, 47103), (4767, 42617), (6729, 30191), (12939, 15701)]