203415849

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{248371}}^1$

素因数の和:248397

約数の個数: 24

約数和(自身を含む): 361629632

約数和(自身を除く): 158213783

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 248371, 745113, 1738597, 2235339, 3228823, 5215791, 9686469, 15647373, 22601761, 29059407, 67805283, 203415849]

約数ペア:

[(1, 203415849), (3, 67805283), (7, 29059407), (9, 22601761), (13, 15647373), (21, 9686469), (39, 5215791), (63, 3228823), (91, 2235339), (117, 1738597), (273, 745113), (819, 248371)]