203973645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{23087}}^1$

素因数の和:23145

約数の個数: 32

約数和(自身を含む): 354631680

約数和(自身を除く): 150658035

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 8835, 23087, 69261, 115435, 346305, 438653, 715697, 1315959, 2147091, 2193265, 3578485, 6579795, 10735455, 13598243, 40794729, 67991215, 203973645]

約数ペア:

[(1, 203973645), (3, 67991215), (5, 40794729), (15, 13598243), (19, 10735455), (31, 6579795), (57, 3578485), (93, 2193265), (95, 2147091), (155, 1315959), (285, 715697), (465, 438653), (589, 346305), (1767, 115435), (2945, 69261), (8835, 23087)]