201245775

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 349215744

約数和(自身を除く): 147969969

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 111, 141, 185, 235, 555, 705, 925, 1175, 1543, 1739, 2775, 3525, 4629, 5217, 7715, 8695, 23145, 26085, 38575, 43475, 57091, 72521, 115725, 130425, 171273, 217563, 285455, 362605, 856365, 1087815, 1427275, 1813025, 2683277, 4281825, 5439075, 8049831, 13416385, 40249155, 67081925, 201245775]

約数ペア:

[(1, 201245775), (3, 67081925), (5, 40249155), (15, 13416385), (25, 8049831), (37, 5439075), (47, 4281825), (75, 2683277), (111, 1813025), (141, 1427275), (185, 1087815), (235, 856365), (555, 362605), (705, 285455), (925, 217563), (1175, 171273), (1543, 130425), (1739, 115725), (2775, 72521), (3525, 57091), (4629, 43475), (5217, 38575), (7715, 26085), (8695, 23145)]