18150225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 32378880

約数和(自身を除く): 14228655

約数列:

[1, 3, 5, 15, 19, 25, 47, 57, 75, 95, 141, 235, 271, 285, 475, 705, 813, 893, 1175, 1355, 1425, 2679, 3525, 4065, 4465, 5149, 6775, 12737, 13395, 15447, 20325, 22325, 25745, 38211, 63685, 66975, 77235, 128725, 191055, 242003, 318425, 386175, 726009, 955275, 1210015, 3630045, 6050075, 18150225]

約数ペア:

[(1, 18150225), (3, 6050075), (5, 3630045), (15, 1210015), (19, 955275), (25, 726009), (47, 386175), (57, 318425), (75, 242003), (95, 191055), (141, 128725), (235, 77235), (271, 66975), (285, 63685), (475, 38211), (705, 25745), (813, 22325), (893, 20325), (1175, 15447), (1355, 13395), (1425, 12737), (2679, 6775), (3525, 5149), (4065, 4465)]